• Home
• io.envoyproxy.controlplane
• api
• 1.0.42
• source code
• Decl.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

com.google.api.expr.v1alpha1.Decl Maven / Gradle / Ivy

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/api/expr/v1alpha1/checked.proto

package com.google.api.expr.v1alpha1;

/**
 * 
 * Represents a declaration of a named value or function.
 * A declaration is part of the contract between the expression, the agent
 * evaluating that expression, and the caller requesting evaluation.
 * 
 *
 * Protobuf type {@code google.api.expr.v1alpha1.Decl}
 */
public final class Decl extends
    com.google.protobuf.GeneratedMessageV3 implements
    // @@protoc_insertion_point(message_implements:google.api.expr.v1alpha1.Decl)
    DeclOrBuilder {
private static final long serialVersionUID = 0L;
  // Use Decl.newBuilder() to construct.
  private Decl(com.google.protobuf.GeneratedMessageV3.Builder builder) {
    super(builder);
  }
  private Decl() {
    name_ = "";
  }

  @java.lang.Override
  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(
      UnusedPrivateParameter unused) {
    return new Decl();
  }

  @java.lang.Override
  public final com.google.protobuf.UnknownFieldSet
  getUnknownFields() {
    return this.unknownFields;
  }
  private Decl(
      com.google.protobuf.CodedInputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    this();
    if (extensionRegistry == null) {
      throw new java.lang.NullPointerException();
    }
    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
        com.google.protobuf.UnknownFieldSet.newBuilder();
    try {
      boolean done = false;
      while (!done) {
        int tag = input.readTag();
        switch (tag) {
          case 0:
            done = true;
            break;
          case 10: {
            java.lang.String s = input.readStringRequireUtf8();

            name_ = s;
            break;
          }
          case 18: {
            com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder subBuilder = null;
            if (declKindCase_ == 2) {
              subBuilder = ((com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_).toBuilder();
            }
            declKind_ =
                input.readMessage(com.google.api.expr.v1alpha1.Decl.IdentDecl.parser(), extensionRegistry);
            if (subBuilder != null) {
              subBuilder.mergeFrom((com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_);
              declKind_ = subBuilder.buildPartial();
            }
            declKindCase_ = 2;
            break;
          }
          case 26: {
            com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder subBuilder = null;
            if (declKindCase_ == 3) {
              subBuilder = ((com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_).toBuilder();
            }
            declKind_ =
                input.readMessage(com.google.api.expr.v1alpha1.Decl.FunctionDecl.parser(), extensionRegistry);
            if (subBuilder != null) {
              subBuilder.mergeFrom((com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_);
              declKind_ = subBuilder.buildPartial();
            }
            declKindCase_ = 3;
            break;
          }
          default: {
            if (!parseUnknownField(
                input, unknownFields, extensionRegistry, tag)) {
              done = true;
            }
            break;
          }
        }
      }
    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
      throw e.setUnfinishedMessage(this);
    } catch (com.google.protobuf.UninitializedMessageException e) {
      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
    } catch (java.io.IOException e) {
      throw new com.google.protobuf.InvalidProtocolBufferException(
          e).setUnfinishedMessage(this);
    } finally {
      this.unknownFields = unknownFields.build();
      makeExtensionsImmutable();
    }
  }
  public static final com.google.protobuf.Descriptors.Descriptor
      getDescriptor() {
    return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_descriptor;
  }

  @java.lang.Override
  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
      internalGetFieldAccessorTable() {
    return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_fieldAccessorTable
        .ensureFieldAccessorsInitialized(
            com.google.api.expr.v1alpha1.Decl.class, com.google.api.expr.v1alpha1.Decl.Builder.class);
  }

  public interface IdentDeclOrBuilder extends
      // @@protoc_insertion_point(interface_extends:google.api.expr.v1alpha1.Decl.IdentDecl)
      com.google.protobuf.MessageOrBuilder {

    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     * @return Whether the type field is set.
     */
    boolean hasType();
    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     * @return The type.
     */
    com.google.api.expr.v1alpha1.Type getType();
    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     */
    com.google.api.expr.v1alpha1.TypeOrBuilder getTypeOrBuilder();

    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     * @return Whether the value field is set.
     */
    boolean hasValue();
    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     * @return The value.
     */
    com.google.api.expr.v1alpha1.Constant getValue();
    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     */
    com.google.api.expr.v1alpha1.ConstantOrBuilder getValueOrBuilder();

    /**
     * 
     * Documentation string for the identifier.
     * 
     *
     * string doc = 3;
     * @return The doc.
     */
    java.lang.String getDoc();
    /**
     * 
     * Documentation string for the identifier.
     * 
     *
     * string doc = 3;
     * @return The bytes for doc.
     */
    com.google.protobuf.ByteString
        getDocBytes();
  }
  /**
   * 
   * Identifier declaration which specifies its type and optional `Expr` value.
   * An identifier without a value is a declaration that must be provided at
   * evaluation time. An identifier with a value should resolve to a constant,
   * but may be used in conjunction with other identifiers bound at evaluation
   * time.
   * 
   *
   * Protobuf type {@code google.api.expr.v1alpha1.Decl.IdentDecl}
   */
  public static final class IdentDecl extends
      com.google.protobuf.GeneratedMessageV3 implements
      // @@protoc_insertion_point(message_implements:google.api.expr.v1alpha1.Decl.IdentDecl)
      IdentDeclOrBuilder {
  private static final long serialVersionUID = 0L;
    // Use IdentDecl.newBuilder() to construct.
    private IdentDecl(com.google.protobuf.GeneratedMessageV3.Builder builder) {
      super(builder);
    }
    private IdentDecl() {
      doc_ = "";
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(
        UnusedPrivateParameter unused) {
      return new IdentDecl();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet
    getUnknownFields() {
      return this.unknownFields;
    }
    private IdentDecl(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      this();
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder();
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10: {
              com.google.api.expr.v1alpha1.Type.Builder subBuilder = null;
              if (type_ != null) {
                subBuilder = type_.toBuilder();
              }
              type_ = input.readMessage(com.google.api.expr.v1alpha1.Type.parser(), extensionRegistry);
              if (subBuilder != null) {
                subBuilder.mergeFrom(type_);
                type_ = subBuilder.buildPartial();
              }

              break;
            }
            case 18: {
              com.google.api.expr.v1alpha1.Constant.Builder subBuilder = null;
              if (value_ != null) {
                subBuilder = value_.toBuilder();
              }
              value_ = input.readMessage(com.google.api.expr.v1alpha1.Constant.parser(), extensionRegistry);
              if (subBuilder != null) {
                subBuilder.mergeFrom(value_);
                value_ = subBuilder.buildPartial();
              }

              break;
            }
            case 26: {
              java.lang.String s = input.readStringRequireUtf8();

              doc_ = s;
              break;
            }
            default: {
              if (!parseUnknownField(
                  input, unknownFields, extensionRegistry, tag)) {
                done = true;
              }
              break;
            }
          }
        }
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.setUnfinishedMessage(this);
      } catch (com.google.protobuf.UninitializedMessageException e) {
        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
      } catch (java.io.IOException e) {
        throw new com.google.protobuf.InvalidProtocolBufferException(
            e).setUnfinishedMessage(this);
      } finally {
        this.unknownFields = unknownFields.build();
        makeExtensionsImmutable();
      }
    }
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_IdentDecl_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_IdentDecl_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.api.expr.v1alpha1.Decl.IdentDecl.class, com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder.class);
    }

    public static final int TYPE_FIELD_NUMBER = 1;
    private com.google.api.expr.v1alpha1.Type type_;
    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     * @return Whether the type field is set.
     */
    @java.lang.Override
    public boolean hasType() {
      return type_ != null;
    }
    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     * @return The type.
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Type getType() {
      return type_ == null ? com.google.api.expr.v1alpha1.Type.getDefaultInstance() : type_;
    }
    /**
     * 
     * Required. The type of the identifier.
     * 
     *
     * .google.api.expr.v1alpha1.Type type = 1;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.TypeOrBuilder getTypeOrBuilder() {
      return getType();
    }

    public static final int VALUE_FIELD_NUMBER = 2;
    private com.google.api.expr.v1alpha1.Constant value_;
    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     * @return Whether the value field is set.
     */
    @java.lang.Override
    public boolean hasValue() {
      return value_ != null;
    }
    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     * @return The value.
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Constant getValue() {
      return value_ == null ? com.google.api.expr.v1alpha1.Constant.getDefaultInstance() : value_;
    }
    /**
     * 
     * The constant value of the identifier. If not specified, the identifier
     * must be supplied at evaluation time.
     * 
     *
     * .google.api.expr.v1alpha1.Constant value = 2;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.ConstantOrBuilder getValueOrBuilder() {
      return getValue();
    }

    public static final int DOC_FIELD_NUMBER = 3;
    private volatile java.lang.Object doc_;
    /**
     * 
     * Documentation string for the identifier.
     * 
     *
     * string doc = 3;
     * @return The doc.
     */
    @java.lang.Override
    public java.lang.String getDoc() {
      java.lang.Object ref = doc_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        doc_ = s;
        return s;
      }
    }
    /**
     * 
     * Documentation string for the identifier.
     * 
     *
     * string doc = 3;
     * @return The bytes for doc.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString
        getDocBytes() {
      java.lang.Object ref = doc_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        doc_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    private byte memoizedIsInitialized = -1;
    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      if (type_ != null) {
        output.writeMessage(1, getType());
      }
      if (value_ != null) {
        output.writeMessage(2, getValue());
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(doc_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, doc_);
      }
      unknownFields.writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (type_ != null) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(1, getType());
      }
      if (value_ != null) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(2, getValue());
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(doc_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, doc_);
      }
      size += unknownFields.getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof com.google.api.expr.v1alpha1.Decl.IdentDecl)) {
        return super.equals(obj);
      }
      com.google.api.expr.v1alpha1.Decl.IdentDecl other = (com.google.api.expr.v1alpha1.Decl.IdentDecl) obj;

      if (hasType() != other.hasType()) return false;
      if (hasType()) {
        if (!getType()
            .equals(other.getType())) return false;
      }
      if (hasValue() != other.hasValue()) return false;
      if (hasValue()) {
        if (!getValue()
            .equals(other.getValue())) return false;
      }
      if (!getDoc()
          .equals(other.getDoc())) return false;
      if (!unknownFields.equals(other.unknownFields)) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (hasType()) {
        hash = (37 * hash) + TYPE_FIELD_NUMBER;
        hash = (53 * hash) + getType().hashCode();
      }
      if (hasValue()) {
        hash = (37 * hash) + VALUE_FIELD_NUMBER;
        hash = (53 * hash) + getValue().hashCode();
      }
      hash = (37 * hash) + DOC_FIELD_NUMBER;
      hash = (53 * hash) + getDoc().hashCode();
      hash = (29 * hash) + unknownFields.hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        java.nio.ByteBuffer data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        java.nio.ByteBuffer data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseDelimitedWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.IdentDecl parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }
    public static Builder newBuilder(com.google.api.expr.v1alpha1.Decl.IdentDecl prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }
    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE
          ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     * 
     * Identifier declaration which specifies its type and optional `Expr` value.
     * An identifier without a value is a declaration that must be provided at
     * evaluation time. An identifier with a value should resolve to a constant,
     * but may be used in conjunction with other identifiers bound at evaluation
     * time.
     * 
     *
     * Protobuf type {@code google.api.expr.v1alpha1.Decl.IdentDecl}
     */
    public static final class Builder extends
        com.google.protobuf.GeneratedMessageV3.Builder implements
        // @@protoc_insertion_point(builder_implements:google.api.expr.v1alpha1.Decl.IdentDecl)
        com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_IdentDecl_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_IdentDecl_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.api.expr.v1alpha1.Decl.IdentDecl.class, com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder.class);
      }

      // Construct using com.google.api.expr.v1alpha1.Decl.IdentDecl.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }

      private Builder(
          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessageV3
                .alwaysUseFieldBuilders) {
        }
      }
      @java.lang.Override
      public Builder clear() {
        super.clear();
        if (typeBuilder_ == null) {
          type_ = null;
        } else {
          type_ = null;
          typeBuilder_ = null;
        }
        if (valueBuilder_ == null) {
          value_ = null;
        } else {
          value_ = null;
          valueBuilder_ = null;
        }
        doc_ = "";

        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_IdentDecl_descriptor;
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.IdentDecl getDefaultInstanceForType() {
        return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.IdentDecl build() {
        com.google.api.expr.v1alpha1.Decl.IdentDecl result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.IdentDecl buildPartial() {
        com.google.api.expr.v1alpha1.Decl.IdentDecl result = new com.google.api.expr.v1alpha1.Decl.IdentDecl(this);
        if (typeBuilder_ == null) {
          result.type_ = type_;
        } else {
          result.type_ = typeBuilder_.build();
        }
        if (valueBuilder_ == null) {
          result.value_ = value_;
        } else {
          result.value_ = valueBuilder_.build();
        }
        result.doc_ = doc_;
        onBuilt();
        return result;
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }
      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          java.lang.Object value) {
        return super.setField(field, value);
      }
      @java.lang.Override
      public Builder clearField(
          com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }
      @java.lang.Override
      public Builder clearOneof(
          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }
      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index, java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }
      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }
      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.api.expr.v1alpha1.Decl.IdentDecl) {
          return mergeFrom((com.google.api.expr.v1alpha1.Decl.IdentDecl)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.google.api.expr.v1alpha1.Decl.IdentDecl other) {
        if (other == com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance()) return this;
        if (other.hasType()) {
          mergeType(other.getType());
        }
        if (other.hasValue()) {
          mergeValue(other.getValue());
        }
        if (!other.getDoc().isEmpty()) {
          doc_ = other.doc_;
          onChanged();
        }
        this.mergeUnknownFields(other.unknownFields);
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.api.expr.v1alpha1.Decl.IdentDecl parsedMessage = null;
        try {
          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          parsedMessage = (com.google.api.expr.v1alpha1.Decl.IdentDecl) e.getUnfinishedMessage();
          throw e.unwrapIOException();
        } finally {
          if (parsedMessage != null) {
            mergeFrom(parsedMessage);
          }
        }
        return this;
      }

      private com.google.api.expr.v1alpha1.Type type_;
      private com.google.protobuf.SingleFieldBuilderV3<
          com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> typeBuilder_;
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       * @return Whether the type field is set.
       */
      public boolean hasType() {
        return typeBuilder_ != null || type_ != null;
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       * @return The type.
       */
      public com.google.api.expr.v1alpha1.Type getType() {
        if (typeBuilder_ == null) {
          return type_ == null ? com.google.api.expr.v1alpha1.Type.getDefaultInstance() : type_;
        } else {
          return typeBuilder_.getMessage();
        }
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public Builder setType(com.google.api.expr.v1alpha1.Type value) {
        if (typeBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          type_ = value;
          onChanged();
        } else {
          typeBuilder_.setMessage(value);
        }

        return this;
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public Builder setType(
          com.google.api.expr.v1alpha1.Type.Builder builderForValue) {
        if (typeBuilder_ == null) {
          type_ = builderForValue.build();
          onChanged();
        } else {
          typeBuilder_.setMessage(builderForValue.build());
        }

        return this;
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public Builder mergeType(com.google.api.expr.v1alpha1.Type value) {
        if (typeBuilder_ == null) {
          if (type_ != null) {
            type_ =
              com.google.api.expr.v1alpha1.Type.newBuilder(type_).mergeFrom(value).buildPartial();
          } else {
            type_ = value;
          }
          onChanged();
        } else {
          typeBuilder_.mergeFrom(value);
        }

        return this;
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public Builder clearType() {
        if (typeBuilder_ == null) {
          type_ = null;
          onChanged();
        } else {
          type_ = null;
          typeBuilder_ = null;
        }

        return this;
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public com.google.api.expr.v1alpha1.Type.Builder getTypeBuilder() {
        
        onChanged();
        return getTypeFieldBuilder().getBuilder();
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      public com.google.api.expr.v1alpha1.TypeOrBuilder getTypeOrBuilder() {
        if (typeBuilder_ != null) {
          return typeBuilder_.getMessageOrBuilder();
        } else {
          return type_ == null ?
              com.google.api.expr.v1alpha1.Type.getDefaultInstance() : type_;
        }
      }
      /**
       * 
       * Required. The type of the identifier.
       * 
       *
       * .google.api.expr.v1alpha1.Type type = 1;
       */
      private com.google.protobuf.SingleFieldBuilderV3<
          com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> 
          getTypeFieldBuilder() {
        if (typeBuilder_ == null) {
          typeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
              com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder>(
                  getType(),
                  getParentForChildren(),
                  isClean());
          type_ = null;
        }
        return typeBuilder_;
      }

      private com.google.api.expr.v1alpha1.Constant value_;
      private com.google.protobuf.SingleFieldBuilderV3<
          com.google.api.expr.v1alpha1.Constant, com.google.api.expr.v1alpha1.Constant.Builder, com.google.api.expr.v1alpha1.ConstantOrBuilder> valueBuilder_;
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       * @return Whether the value field is set.
       */
      public boolean hasValue() {
        return valueBuilder_ != null || value_ != null;
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       * @return The value.
       */
      public com.google.api.expr.v1alpha1.Constant getValue() {
        if (valueBuilder_ == null) {
          return value_ == null ? com.google.api.expr.v1alpha1.Constant.getDefaultInstance() : value_;
        } else {
          return valueBuilder_.getMessage();
        }
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public Builder setValue(com.google.api.expr.v1alpha1.Constant value) {
        if (valueBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          value_ = value;
          onChanged();
        } else {
          valueBuilder_.setMessage(value);
        }

        return this;
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public Builder setValue(
          com.google.api.expr.v1alpha1.Constant.Builder builderForValue) {
        if (valueBuilder_ == null) {
          value_ = builderForValue.build();
          onChanged();
        } else {
          valueBuilder_.setMessage(builderForValue.build());
        }

        return this;
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public Builder mergeValue(com.google.api.expr.v1alpha1.Constant value) {
        if (valueBuilder_ == null) {
          if (value_ != null) {
            value_ =
              com.google.api.expr.v1alpha1.Constant.newBuilder(value_).mergeFrom(value).buildPartial();
          } else {
            value_ = value;
          }
          onChanged();
        } else {
          valueBuilder_.mergeFrom(value);
        }

        return this;
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public Builder clearValue() {
        if (valueBuilder_ == null) {
          value_ = null;
          onChanged();
        } else {
          value_ = null;
          valueBuilder_ = null;
        }

        return this;
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public com.google.api.expr.v1alpha1.Constant.Builder getValueBuilder() {
        
        onChanged();
        return getValueFieldBuilder().getBuilder();
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      public com.google.api.expr.v1alpha1.ConstantOrBuilder getValueOrBuilder() {
        if (valueBuilder_ != null) {
          return valueBuilder_.getMessageOrBuilder();
        } else {
          return value_ == null ?
              com.google.api.expr.v1alpha1.Constant.getDefaultInstance() : value_;
        }
      }
      /**
       * 
       * The constant value of the identifier. If not specified, the identifier
       * must be supplied at evaluation time.
       * 
       *
       * .google.api.expr.v1alpha1.Constant value = 2;
       */
      private com.google.protobuf.SingleFieldBuilderV3<
          com.google.api.expr.v1alpha1.Constant, com.google.api.expr.v1alpha1.Constant.Builder, com.google.api.expr.v1alpha1.ConstantOrBuilder> 
          getValueFieldBuilder() {
        if (valueBuilder_ == null) {
          valueBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
              com.google.api.expr.v1alpha1.Constant, com.google.api.expr.v1alpha1.Constant.Builder, com.google.api.expr.v1alpha1.ConstantOrBuilder>(
                  getValue(),
                  getParentForChildren(),
                  isClean());
          value_ = null;
        }
        return valueBuilder_;
      }

      private java.lang.Object doc_ = "";
      /**
       * 
       * Documentation string for the identifier.
       * 
       *
       * string doc = 3;
       * @return The doc.
       */
      public java.lang.String getDoc() {
        java.lang.Object ref = doc_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs =
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          doc_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       * 
       * Documentation string for the identifier.
       * 
       *
       * string doc = 3;
       * @return The bytes for doc.
       */
      public com.google.protobuf.ByteString
          getDocBytes() {
        java.lang.Object ref = doc_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          doc_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       * 
       * Documentation string for the identifier.
       * 
       *
       * string doc = 3;
       * @param value The doc to set.
       * @return This builder for chaining.
       */
      public Builder setDoc(
          java.lang.String value) {
        if (value == null) {
    throw new NullPointerException();
  }
  
        doc_ = value;
        onChanged();
        return this;
      }
      /**
       * 
       * Documentation string for the identifier.
       * 
       *
       * string doc = 3;
       * @return This builder for chaining.
       */
      public Builder clearDoc() {
        
        doc_ = getDefaultInstance().getDoc();
        onChanged();
        return this;
      }
      /**
       * 
       * Documentation string for the identifier.
       * 
       *
       * string doc = 3;
       * @param value The bytes for doc to set.
       * @return This builder for chaining.
       */
      public Builder setDocBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
        
        doc_ = value;
        onChanged();
        return this;
      }
      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }


      // @@protoc_insertion_point(builder_scope:google.api.expr.v1alpha1.Decl.IdentDecl)
    }

    // @@protoc_insertion_point(class_scope:google.api.expr.v1alpha1.Decl.IdentDecl)
    private static final com.google.api.expr.v1alpha1.Decl.IdentDecl DEFAULT_INSTANCE;
    static {
      DEFAULT_INSTANCE = new com.google.api.expr.v1alpha1.Decl.IdentDecl();
    }

    public static com.google.api.expr.v1alpha1.Decl.IdentDecl getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser
        PARSER = new com.google.protobuf.AbstractParser() {
      @java.lang.Override
      public IdentDecl parsePartialFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return new IdentDecl(input, extensionRegistry);
      }
    };

    public static com.google.protobuf.Parser parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.IdentDecl getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }

  }

  public interface FunctionDeclOrBuilder extends
      // @@protoc_insertion_point(interface_extends:google.api.expr.v1alpha1.Decl.FunctionDecl)
      com.google.protobuf.MessageOrBuilder {

    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    java.util.List 
        getOverloadsList();
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getOverloads(int index);
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    int getOverloadsCount();
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    java.util.List 
        getOverloadsOrBuilderList();
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder getOverloadsOrBuilder(
        int index);
  }
  /**
   * 
   * Function declaration specifies one or more overloads which indicate the
   * function's parameter types and return type.
   * Functions have no observable side-effects (there may be side-effects like
   * logging which are not observable from CEL).
   * 
   *
   * Protobuf type {@code google.api.expr.v1alpha1.Decl.FunctionDecl}
   */
  public static final class FunctionDecl extends
      com.google.protobuf.GeneratedMessageV3 implements
      // @@protoc_insertion_point(message_implements:google.api.expr.v1alpha1.Decl.FunctionDecl)
      FunctionDeclOrBuilder {
  private static final long serialVersionUID = 0L;
    // Use FunctionDecl.newBuilder() to construct.
    private FunctionDecl(com.google.protobuf.GeneratedMessageV3.Builder builder) {
      super(builder);
    }
    private FunctionDecl() {
      overloads_ = java.util.Collections.emptyList();
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(
        UnusedPrivateParameter unused) {
      return new FunctionDecl();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet
    getUnknownFields() {
      return this.unknownFields;
    }
    private FunctionDecl(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      this();
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      int mutable_bitField0_ = 0;
      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder();
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10: {
              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
                overloads_ = new java.util.ArrayList();
                mutable_bitField0_ |= 0x00000001;
              }
              overloads_.add(
                  input.readMessage(com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.parser(), extensionRegistry));
              break;
            }
            default: {
              if (!parseUnknownField(
                  input, unknownFields, extensionRegistry, tag)) {
                done = true;
              }
              break;
            }
          }
        }
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.setUnfinishedMessage(this);
      } catch (com.google.protobuf.UninitializedMessageException e) {
        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
      } catch (java.io.IOException e) {
        throw new com.google.protobuf.InvalidProtocolBufferException(
            e).setUnfinishedMessage(this);
      } finally {
        if (((mutable_bitField0_ & 0x00000001) != 0)) {
          overloads_ = java.util.Collections.unmodifiableList(overloads_);
        }
        this.unknownFields = unknownFields.build();
        makeExtensionsImmutable();
      }
    }
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.api.expr.v1alpha1.Decl.FunctionDecl.class, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder.class);
    }

    public interface OverloadOrBuilder extends
        // @@protoc_insertion_point(interface_extends:google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)
        com.google.protobuf.MessageOrBuilder {

      /**
       * 
       * Required. Globally unique overload name of the function which reflects
       * the function name and argument types.
       * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
       * to indicate the `overload_id` that was resolved for the function
       * `name`.
       * 
       *
       * string overload_id = 1;
       * @return The overloadId.
       */
      java.lang.String getOverloadId();
      /**
       * 
       * Required. Globally unique overload name of the function which reflects
       * the function name and argument types.
       * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
       * to indicate the `overload_id` that was resolved for the function
       * `name`.
       * 
       *
       * string overload_id = 1;
       * @return The bytes for overloadId.
       */
      com.google.protobuf.ByteString
          getOverloadIdBytes();

      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      java.util.List 
          getParamsList();
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      com.google.api.expr.v1alpha1.Type getParams(int index);
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      int getParamsCount();
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      java.util.List 
          getParamsOrBuilderList();
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      com.google.api.expr.v1alpha1.TypeOrBuilder getParamsOrBuilder(
          int index);

      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @return A list containing the typeParams.
       */
      java.util.List
          getTypeParamsList();
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @return The count of typeParams.
       */
      int getTypeParamsCount();
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @param index The index of the element to return.
       * @return The typeParams at the given index.
       */
      java.lang.String getTypeParams(int index);
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @param index The index of the value to return.
       * @return The bytes of the typeParams at the given index.
       */
      com.google.protobuf.ByteString
          getTypeParamsBytes(int index);

      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       * @return Whether the resultType field is set.
       */
      boolean hasResultType();
      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       * @return The resultType.
       */
      com.google.api.expr.v1alpha1.Type getResultType();
      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       */
      com.google.api.expr.v1alpha1.TypeOrBuilder getResultTypeOrBuilder();

      /**
       * 
       * Whether the function is to be used in a method call-style `x.f(...)`
       * or a function call-style `f(x, ...)`.
       * For methods, the first parameter declaration, `params[0]` is the
       * expected type of the target receiver.
       * 
       *
       * bool is_instance_function = 5;
       * @return The isInstanceFunction.
       */
      boolean getIsInstanceFunction();

      /**
       * 
       * Documentation string for the overload.
       * 
       *
       * string doc = 6;
       * @return The doc.
       */
      java.lang.String getDoc();
      /**
       * 
       * Documentation string for the overload.
       * 
       *
       * string doc = 6;
       * @return The bytes for doc.
       */
      com.google.protobuf.ByteString
          getDocBytes();
    }
    /**
     * 
     * An overload indicates a function's parameter types and return type, and
     * may optionally include a function body described in terms of
     * [Expr][google.api.expr.v1alpha1.Expr] values.
     * Functions overloads are declared in either a function or method
     * call-style. For methods, the `params[0]` is the expected type of the
     * target receiver.
     * Overloads must have non-overlapping argument types after erasure of all
     * parameterized type variables (similar as type erasure in Java).
     * 
     *
     * Protobuf type {@code google.api.expr.v1alpha1.Decl.FunctionDecl.Overload}
     */
    public static final class Overload extends
        com.google.protobuf.GeneratedMessageV3 implements
        // @@protoc_insertion_point(message_implements:google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)
        OverloadOrBuilder {
    private static final long serialVersionUID = 0L;
      // Use Overload.newBuilder() to construct.
      private Overload(com.google.protobuf.GeneratedMessageV3.Builder builder) {
        super(builder);
      }
      private Overload() {
        overloadId_ = "";
        params_ = java.util.Collections.emptyList();
        typeParams_ = com.google.protobuf.LazyStringArrayList.EMPTY;
        doc_ = "";
      }

      @java.lang.Override
      @SuppressWarnings({"unused"})
      protected java.lang.Object newInstance(
          UnusedPrivateParameter unused) {
        return new Overload();
      }

      @java.lang.Override
      public final com.google.protobuf.UnknownFieldSet
      getUnknownFields() {
        return this.unknownFields;
      }
      private Overload(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        this();
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        int mutable_bitField0_ = 0;
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
            com.google.protobuf.UnknownFieldSet.newBuilder();
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10: {
                java.lang.String s = input.readStringRequireUtf8();

                overloadId_ = s;
                break;
              }
              case 18: {
                if (!((mutable_bitField0_ & 0x00000001) != 0)) {
                  params_ = new java.util.ArrayList();
                  mutable_bitField0_ |= 0x00000001;
                }
                params_.add(
                    input.readMessage(com.google.api.expr.v1alpha1.Type.parser(), extensionRegistry));
                break;
              }
              case 26: {
                java.lang.String s = input.readStringRequireUtf8();
                if (!((mutable_bitField0_ & 0x00000002) != 0)) {
                  typeParams_ = new com.google.protobuf.LazyStringArrayList();
                  mutable_bitField0_ |= 0x00000002;
                }
                typeParams_.add(s);
                break;
              }
              case 34: {
                com.google.api.expr.v1alpha1.Type.Builder subBuilder = null;
                if (resultType_ != null) {
                  subBuilder = resultType_.toBuilder();
                }
                resultType_ = input.readMessage(com.google.api.expr.v1alpha1.Type.parser(), extensionRegistry);
                if (subBuilder != null) {
                  subBuilder.mergeFrom(resultType_);
                  resultType_ = subBuilder.buildPartial();
                }

                break;
              }
              case 40: {

                isInstanceFunction_ = input.readBool();
                break;
              }
              case 50: {
                java.lang.String s = input.readStringRequireUtf8();

                doc_ = s;
                break;
              }
              default: {
                if (!parseUnknownField(
                    input, unknownFields, extensionRegistry, tag)) {
                  done = true;
                }
                break;
              }
            }
          }
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.setUnfinishedMessage(this);
        } catch (com.google.protobuf.UninitializedMessageException e) {
          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
        } catch (java.io.IOException e) {
          throw new com.google.protobuf.InvalidProtocolBufferException(
              e).setUnfinishedMessage(this);
        } finally {
          if (((mutable_bitField0_ & 0x00000001) != 0)) {
            params_ = java.util.Collections.unmodifiableList(params_);
          }
          if (((mutable_bitField0_ & 0x00000002) != 0)) {
            typeParams_ = typeParams_.getUnmodifiableView();
          }
          this.unknownFields = unknownFields.build();
          makeExtensionsImmutable();
        }
      }
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_Overload_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_Overload_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.class, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder.class);
      }

      public static final int OVERLOAD_ID_FIELD_NUMBER = 1;
      private volatile java.lang.Object overloadId_;
      /**
       * 
       * Required. Globally unique overload name of the function which reflects
       * the function name and argument types.
       * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
       * to indicate the `overload_id` that was resolved for the function
       * `name`.
       * 
       *
       * string overload_id = 1;
       * @return The overloadId.
       */
      @java.lang.Override
      public java.lang.String getOverloadId() {
        java.lang.Object ref = overloadId_;
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = 
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          overloadId_ = s;
          return s;
        }
      }
      /**
       * 
       * Required. Globally unique overload name of the function which reflects
       * the function name and argument types.
       * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
       * to indicate the `overload_id` that was resolved for the function
       * `name`.
       * 
       *
       * string overload_id = 1;
       * @return The bytes for overloadId.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString
          getOverloadIdBytes() {
        java.lang.Object ref = overloadId_;
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          overloadId_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      public static final int PARAMS_FIELD_NUMBER = 2;
      private java.util.List params_;
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      @java.lang.Override
      public java.util.List getParamsList() {
        return params_;
      }
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      @java.lang.Override
      public java.util.List 
          getParamsOrBuilderList() {
        return params_;
      }
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      @java.lang.Override
      public int getParamsCount() {
        return params_.size();
      }
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      @java.lang.Override
      public com.google.api.expr.v1alpha1.Type getParams(int index) {
        return params_.get(index);
      }
      /**
       * 
       * List of function parameter [Type][google.api.expr.v1alpha1.Type]
       * values.
       * Param types are disjoint after generic type parameters have been
       * replaced with the type `DYN`. Since the `DYN` type is compatible with
       * any other type, this means that if `A` is a type parameter, the
       * function types `int<A>` and `int<int>` are not disjoint. Likewise,
       * `map<string, string>` is not disjoint from `map<K, V>`.
       * When the `result_type` of a function is a generic type param, the
       * type param name also appears as the `type` of on at least one params.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Type params = 2;
       */
      @java.lang.Override
      public com.google.api.expr.v1alpha1.TypeOrBuilder getParamsOrBuilder(
          int index) {
        return params_.get(index);
      }

      public static final int TYPE_PARAMS_FIELD_NUMBER = 3;
      private com.google.protobuf.LazyStringList typeParams_;
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @return A list containing the typeParams.
       */
      public com.google.protobuf.ProtocolStringList
          getTypeParamsList() {
        return typeParams_;
      }
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @return The count of typeParams.
       */
      public int getTypeParamsCount() {
        return typeParams_.size();
      }
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @param index The index of the element to return.
       * @return The typeParams at the given index.
       */
      public java.lang.String getTypeParams(int index) {
        return typeParams_.get(index);
      }
      /**
       * 
       * The type param names associated with the function declaration.
       * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
       * the type params of `K, V`.
       * 
       *
       * repeated string type_params = 3;
       * @param index The index of the value to return.
       * @return The bytes of the typeParams at the given index.
       */
      public com.google.protobuf.ByteString
          getTypeParamsBytes(int index) {
        return typeParams_.getByteString(index);
      }

      public static final int RESULT_TYPE_FIELD_NUMBER = 4;
      private com.google.api.expr.v1alpha1.Type resultType_;
      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       * @return Whether the resultType field is set.
       */
      @java.lang.Override
      public boolean hasResultType() {
        return resultType_ != null;
      }
      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       * @return The resultType.
       */
      @java.lang.Override
      public com.google.api.expr.v1alpha1.Type getResultType() {
        return resultType_ == null ? com.google.api.expr.v1alpha1.Type.getDefaultInstance() : resultType_;
      }
      /**
       * 
       * Required. The result type of the function. For example, the operator
       * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
       * 
       *
       * .google.api.expr.v1alpha1.Type result_type = 4;
       */
      @java.lang.Override
      public com.google.api.expr.v1alpha1.TypeOrBuilder getResultTypeOrBuilder() {
        return getResultType();
      }

      public static final int IS_INSTANCE_FUNCTION_FIELD_NUMBER = 5;
      private boolean isInstanceFunction_;
      /**
       * 
       * Whether the function is to be used in a method call-style `x.f(...)`
       * or a function call-style `f(x, ...)`.
       * For methods, the first parameter declaration, `params[0]` is the
       * expected type of the target receiver.
       * 
       *
       * bool is_instance_function = 5;
       * @return The isInstanceFunction.
       */
      @java.lang.Override
      public boolean getIsInstanceFunction() {
        return isInstanceFunction_;
      }

      public static final int DOC_FIELD_NUMBER = 6;
      private volatile java.lang.Object doc_;
      /**
       * 
       * Documentation string for the overload.
       * 
       *
       * string doc = 6;
       * @return The doc.
       */
      @java.lang.Override
      public java.lang.String getDoc() {
        java.lang.Object ref = doc_;
        if (ref instanceof java.lang.String) {
          return (java.lang.String) ref;
        } else {
          com.google.protobuf.ByteString bs = 
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          doc_ = s;
          return s;
        }
      }
      /**
       * 
       * Documentation string for the overload.
       * 
       *
       * string doc = 6;
       * @return The bytes for doc.
       */
      @java.lang.Override
      public com.google.protobuf.ByteString
          getDocBytes() {
        java.lang.Object ref = doc_;
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          doc_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }

      private byte memoizedIsInitialized = -1;
      @java.lang.Override
      public final boolean isInitialized() {
        byte isInitialized = memoizedIsInitialized;
        if (isInitialized == 1) return true;
        if (isInitialized == 0) return false;

        memoizedIsInitialized = 1;
        return true;
      }

      @java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output)
                          throws java.io.IOException {
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(overloadId_)) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, overloadId_);
        }
        for (int i = 0; i < params_.size(); i++) {
          output.writeMessage(2, params_.get(i));
        }
        for (int i = 0; i < typeParams_.size(); i++) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 3, typeParams_.getRaw(i));
        }
        if (resultType_ != null) {
          output.writeMessage(4, getResultType());
        }
        if (isInstanceFunction_ != false) {
          output.writeBool(5, isInstanceFunction_);
        }
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(doc_)) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 6, doc_);
        }
        unknownFields.writeTo(output);
      }

      @java.lang.Override
      public int getSerializedSize() {
        int size = memoizedSize;
        if (size != -1) return size;

        size = 0;
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(overloadId_)) {
          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, overloadId_);
        }
        for (int i = 0; i < params_.size(); i++) {
          size += com.google.protobuf.CodedOutputStream
            .computeMessageSize(2, params_.get(i));
        }
        {
          int dataSize = 0;
          for (int i = 0; i < typeParams_.size(); i++) {
            dataSize += computeStringSizeNoTag(typeParams_.getRaw(i));
          }
          size += dataSize;
          size += 1 * getTypeParamsList().size();
        }
        if (resultType_ != null) {
          size += com.google.protobuf.CodedOutputStream
            .computeMessageSize(4, getResultType());
        }
        if (isInstanceFunction_ != false) {
          size += com.google.protobuf.CodedOutputStream
            .computeBoolSize(5, isInstanceFunction_);
        }
        if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(doc_)) {
          size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, doc_);
        }
        size += unknownFields.getSerializedSize();
        memoizedSize = size;
        return size;
      }

      @java.lang.Override
      public boolean equals(final java.lang.Object obj) {
        if (obj == this) {
         return true;
        }
        if (!(obj instanceof com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)) {
          return super.equals(obj);
        }
        com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload other = (com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload) obj;

        if (!getOverloadId()
            .equals(other.getOverloadId())) return false;
        if (!getParamsList()
            .equals(other.getParamsList())) return false;
        if (!getTypeParamsList()
            .equals(other.getTypeParamsList())) return false;
        if (hasResultType() != other.hasResultType()) return false;
        if (hasResultType()) {
          if (!getResultType()
              .equals(other.getResultType())) return false;
        }
        if (getIsInstanceFunction()
            != other.getIsInstanceFunction()) return false;
        if (!getDoc()
            .equals(other.getDoc())) return false;
        if (!unknownFields.equals(other.unknownFields)) return false;
        return true;
      }

      @java.lang.Override
      public int hashCode() {
        if (memoizedHashCode != 0) {
          return memoizedHashCode;
        }
        int hash = 41;
        hash = (19 * hash) + getDescriptor().hashCode();
        hash = (37 * hash) + OVERLOAD_ID_FIELD_NUMBER;
        hash = (53 * hash) + getOverloadId().hashCode();
        if (getParamsCount() > 0) {
          hash = (37 * hash) + PARAMS_FIELD_NUMBER;
          hash = (53 * hash) + getParamsList().hashCode();
        }
        if (getTypeParamsCount() > 0) {
          hash = (37 * hash) + TYPE_PARAMS_FIELD_NUMBER;
          hash = (53 * hash) + getTypeParamsList().hashCode();
        }
        if (hasResultType()) {
          hash = (37 * hash) + RESULT_TYPE_FIELD_NUMBER;
          hash = (53 * hash) + getResultType().hashCode();
        }
        hash = (37 * hash) + IS_INSTANCE_FUNCTION_FIELD_NUMBER;
        hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
            getIsInstanceFunction());
        hash = (37 * hash) + DOC_FIELD_NUMBER;
        hash = (53 * hash) + getDoc().hashCode();
        hash = (29 * hash) + unknownFields.hashCode();
        memoizedHashCode = hash;
        return hash;
      }

      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          java.nio.ByteBuffer data)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          java.nio.ByteBuffer data,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          com.google.protobuf.ByteString data)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          com.google.protobuf.ByteString data,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(byte[] data)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          byte[] data,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(java.io.InputStream input)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          java.io.InputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input, extensionRegistry);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseDelimitedFrom(java.io.InputStream input)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseDelimitedWithIOException(PARSER, input);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseDelimitedFrom(
          java.io.InputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          com.google.protobuf.CodedInputStream input)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input);
      }
      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parseFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input, extensionRegistry);
      }

      @java.lang.Override
      public Builder newBuilderForType() { return newBuilder(); }
      public static Builder newBuilder() {
        return DEFAULT_INSTANCE.toBuilder();
      }
      public static Builder newBuilder(com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload prototype) {
        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
      }
      @java.lang.Override
      public Builder toBuilder() {
        return this == DEFAULT_INSTANCE
            ? new Builder() : new Builder().mergeFrom(this);
      }

      @java.lang.Override
      protected Builder newBuilderForType(
          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        Builder builder = new Builder(parent);
        return builder;
      }
      /**
       * 
       * An overload indicates a function's parameter types and return type, and
       * may optionally include a function body described in terms of
       * [Expr][google.api.expr.v1alpha1.Expr] values.
       * Functions overloads are declared in either a function or method
       * call-style. For methods, the `params[0]` is the expected type of the
       * target receiver.
       * Overloads must have non-overlapping argument types after erasure of all
       * parameterized type variables (similar as type erasure in Java).
       * 
       *
       * Protobuf type {@code google.api.expr.v1alpha1.Decl.FunctionDecl.Overload}
       */
      public static final class Builder extends
          com.google.protobuf.GeneratedMessageV3.Builder implements
          // @@protoc_insertion_point(builder_implements:google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder {
        public static final com.google.protobuf.Descriptors.Descriptor
            getDescriptor() {
          return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_Overload_descriptor;
        }

        @java.lang.Override
        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
            internalGetFieldAccessorTable() {
          return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_Overload_fieldAccessorTable
              .ensureFieldAccessorsInitialized(
                  com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.class, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder.class);
        }

        // Construct using com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.newBuilder()
        private Builder() {
          maybeForceBuilderInitialization();
        }

        private Builder(
            com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
          super(parent);
          maybeForceBuilderInitialization();
        }
        private void maybeForceBuilderInitialization() {
          if (com.google.protobuf.GeneratedMessageV3
                  .alwaysUseFieldBuilders) {
            getParamsFieldBuilder();
          }
        }
        @java.lang.Override
        public Builder clear() {
          super.clear();
          overloadId_ = "";

          if (paramsBuilder_ == null) {
            params_ = java.util.Collections.emptyList();
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            paramsBuilder_.clear();
          }
          typeParams_ = com.google.protobuf.LazyStringArrayList.EMPTY;
          bitField0_ = (bitField0_ & ~0x00000002);
          if (resultTypeBuilder_ == null) {
            resultType_ = null;
          } else {
            resultType_ = null;
            resultTypeBuilder_ = null;
          }
          isInstanceFunction_ = false;

          doc_ = "";

          return this;
        }

        @java.lang.Override
        public com.google.protobuf.Descriptors.Descriptor
            getDescriptorForType() {
          return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_Overload_descriptor;
        }

        @java.lang.Override
        public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getDefaultInstanceForType() {
          return com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.getDefaultInstance();
        }

        @java.lang.Override
        public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload build() {
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload result = buildPartial();
          if (!result.isInitialized()) {
            throw newUninitializedMessageException(result);
          }
          return result;
        }

        @java.lang.Override
        public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload buildPartial() {
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload result = new com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload(this);
          int from_bitField0_ = bitField0_;
          result.overloadId_ = overloadId_;
          if (paramsBuilder_ == null) {
            if (((bitField0_ & 0x00000001) != 0)) {
              params_ = java.util.Collections.unmodifiableList(params_);
              bitField0_ = (bitField0_ & ~0x00000001);
            }
            result.params_ = params_;
          } else {
            result.params_ = paramsBuilder_.build();
          }
          if (((bitField0_ & 0x00000002) != 0)) {
            typeParams_ = typeParams_.getUnmodifiableView();
            bitField0_ = (bitField0_ & ~0x00000002);
          }
          result.typeParams_ = typeParams_;
          if (resultTypeBuilder_ == null) {
            result.resultType_ = resultType_;
          } else {
            result.resultType_ = resultTypeBuilder_.build();
          }
          result.isInstanceFunction_ = isInstanceFunction_;
          result.doc_ = doc_;
          onBuilt();
          return result;
        }

        @java.lang.Override
        public Builder clone() {
          return super.clone();
        }
        @java.lang.Override
        public Builder setField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            java.lang.Object value) {
          return super.setField(field, value);
        }
        @java.lang.Override
        public Builder clearField(
            com.google.protobuf.Descriptors.FieldDescriptor field) {
          return super.clearField(field);
        }
        @java.lang.Override
        public Builder clearOneof(
            com.google.protobuf.Descriptors.OneofDescriptor oneof) {
          return super.clearOneof(oneof);
        }
        @java.lang.Override
        public Builder setRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            int index, java.lang.Object value) {
          return super.setRepeatedField(field, index, value);
        }
        @java.lang.Override
        public Builder addRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            java.lang.Object value) {
          return super.addRepeatedField(field, value);
        }
        @java.lang.Override
        public Builder mergeFrom(com.google.protobuf.Message other) {
          if (other instanceof com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload) {
            return mergeFrom((com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)other);
          } else {
            super.mergeFrom(other);
            return this;
          }
        }

        public Builder mergeFrom(com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload other) {
          if (other == com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.getDefaultInstance()) return this;
          if (!other.getOverloadId().isEmpty()) {
            overloadId_ = other.overloadId_;
            onChanged();
          }
          if (paramsBuilder_ == null) {
            if (!other.params_.isEmpty()) {
              if (params_.isEmpty()) {
                params_ = other.params_;
                bitField0_ = (bitField0_ & ~0x00000001);
              } else {
                ensureParamsIsMutable();
                params_.addAll(other.params_);
              }
              onChanged();
            }
          } else {
            if (!other.params_.isEmpty()) {
              if (paramsBuilder_.isEmpty()) {
                paramsBuilder_.dispose();
                paramsBuilder_ = null;
                params_ = other.params_;
                bitField0_ = (bitField0_ & ~0x00000001);
                paramsBuilder_ = 
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
                     getParamsFieldBuilder() : null;
              } else {
                paramsBuilder_.addAllMessages(other.params_);
              }
            }
          }
          if (!other.typeParams_.isEmpty()) {
            if (typeParams_.isEmpty()) {
              typeParams_ = other.typeParams_;
              bitField0_ = (bitField0_ & ~0x00000002);
            } else {
              ensureTypeParamsIsMutable();
              typeParams_.addAll(other.typeParams_);
            }
            onChanged();
          }
          if (other.hasResultType()) {
            mergeResultType(other.getResultType());
          }
          if (other.getIsInstanceFunction() != false) {
            setIsInstanceFunction(other.getIsInstanceFunction());
          }
          if (!other.getDoc().isEmpty()) {
            doc_ = other.doc_;
            onChanged();
          }
          this.mergeUnknownFields(other.unknownFields);
          onChanged();
          return this;
        }

        @java.lang.Override
        public final boolean isInitialized() {
          return true;
        }

        @java.lang.Override
        public Builder mergeFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload parsedMessage = null;
          try {
            parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            parsedMessage = (com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload) e.getUnfinishedMessage();
            throw e.unwrapIOException();
          } finally {
            if (parsedMessage != null) {
              mergeFrom(parsedMessage);
            }
          }
          return this;
        }
        private int bitField0_;

        private java.lang.Object overloadId_ = "";
        /**
         * 
         * Required. Globally unique overload name of the function which reflects
         * the function name and argument types.
         * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
         * to indicate the `overload_id` that was resolved for the function
         * `name`.
         * 
         *
         * string overload_id = 1;
         * @return The overloadId.
         */
        public java.lang.String getOverloadId() {
          java.lang.Object ref = overloadId_;
          if (!(ref instanceof java.lang.String)) {
            com.google.protobuf.ByteString bs =
                (com.google.protobuf.ByteString) ref;
            java.lang.String s = bs.toStringUtf8();
            overloadId_ = s;
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }
        /**
         * 
         * Required. Globally unique overload name of the function which reflects
         * the function name and argument types.
         * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
         * to indicate the `overload_id` that was resolved for the function
         * `name`.
         * 
         *
         * string overload_id = 1;
         * @return The bytes for overloadId.
         */
        public com.google.protobuf.ByteString
            getOverloadIdBytes() {
          java.lang.Object ref = overloadId_;
          if (ref instanceof String) {
            com.google.protobuf.ByteString b = 
                com.google.protobuf.ByteString.copyFromUtf8(
                    (java.lang.String) ref);
            overloadId_ = b;
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
        /**
         * 
         * Required. Globally unique overload name of the function which reflects
         * the function name and argument types.
         * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
         * to indicate the `overload_id` that was resolved for the function
         * `name`.
         * 
         *
         * string overload_id = 1;
         * @param value The overloadId to set.
         * @return This builder for chaining.
         */
        public Builder setOverloadId(
            java.lang.String value) {
          if (value == null) {
    throw new NullPointerException();
  }
  
          overloadId_ = value;
          onChanged();
          return this;
        }
        /**
         * 
         * Required. Globally unique overload name of the function which reflects
         * the function name and argument types.
         * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
         * to indicate the `overload_id` that was resolved for the function
         * `name`.
         * 
         *
         * string overload_id = 1;
         * @return This builder for chaining.
         */
        public Builder clearOverloadId() {
          
          overloadId_ = getDefaultInstance().getOverloadId();
          onChanged();
          return this;
        }
        /**
         * 
         * Required. Globally unique overload name of the function which reflects
         * the function name and argument types.
         * This will be used by a [Reference][google.api.expr.v1alpha1.Reference]
         * to indicate the `overload_id` that was resolved for the function
         * `name`.
         * 
         *
         * string overload_id = 1;
         * @param value The bytes for overloadId to set.
         * @return This builder for chaining.
         */
        public Builder setOverloadIdBytes(
            com.google.protobuf.ByteString value) {
          if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
          
          overloadId_ = value;
          onChanged();
          return this;
        }

        private java.util.List params_ =
          java.util.Collections.emptyList();
        private void ensureParamsIsMutable() {
          if (!((bitField0_ & 0x00000001) != 0)) {
            params_ = new java.util.ArrayList(params_);
            bitField0_ |= 0x00000001;
           }
        }

        private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> paramsBuilder_;

        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public java.util.List getParamsList() {
          if (paramsBuilder_ == null) {
            return java.util.Collections.unmodifiableList(params_);
          } else {
            return paramsBuilder_.getMessageList();
          }
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public int getParamsCount() {
          if (paramsBuilder_ == null) {
            return params_.size();
          } else {
            return paramsBuilder_.getCount();
          }
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public com.google.api.expr.v1alpha1.Type getParams(int index) {
          if (paramsBuilder_ == null) {
            return params_.get(index);
          } else {
            return paramsBuilder_.getMessage(index);
          }
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder setParams(
            int index, com.google.api.expr.v1alpha1.Type value) {
          if (paramsBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            ensureParamsIsMutable();
            params_.set(index, value);
            onChanged();
          } else {
            paramsBuilder_.setMessage(index, value);
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder setParams(
            int index, com.google.api.expr.v1alpha1.Type.Builder builderForValue) {
          if (paramsBuilder_ == null) {
            ensureParamsIsMutable();
            params_.set(index, builderForValue.build());
            onChanged();
          } else {
            paramsBuilder_.setMessage(index, builderForValue.build());
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder addParams(com.google.api.expr.v1alpha1.Type value) {
          if (paramsBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            ensureParamsIsMutable();
            params_.add(value);
            onChanged();
          } else {
            paramsBuilder_.addMessage(value);
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder addParams(
            int index, com.google.api.expr.v1alpha1.Type value) {
          if (paramsBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            ensureParamsIsMutable();
            params_.add(index, value);
            onChanged();
          } else {
            paramsBuilder_.addMessage(index, value);
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder addParams(
            com.google.api.expr.v1alpha1.Type.Builder builderForValue) {
          if (paramsBuilder_ == null) {
            ensureParamsIsMutable();
            params_.add(builderForValue.build());
            onChanged();
          } else {
            paramsBuilder_.addMessage(builderForValue.build());
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder addParams(
            int index, com.google.api.expr.v1alpha1.Type.Builder builderForValue) {
          if (paramsBuilder_ == null) {
            ensureParamsIsMutable();
            params_.add(index, builderForValue.build());
            onChanged();
          } else {
            paramsBuilder_.addMessage(index, builderForValue.build());
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder addAllParams(
            java.lang.Iterable values) {
          if (paramsBuilder_ == null) {
            ensureParamsIsMutable();
            com.google.protobuf.AbstractMessageLite.Builder.addAll(
                values, params_);
            onChanged();
          } else {
            paramsBuilder_.addAllMessages(values);
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder clearParams() {
          if (paramsBuilder_ == null) {
            params_ = java.util.Collections.emptyList();
            bitField0_ = (bitField0_ & ~0x00000001);
            onChanged();
          } else {
            paramsBuilder_.clear();
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public Builder removeParams(int index) {
          if (paramsBuilder_ == null) {
            ensureParamsIsMutable();
            params_.remove(index);
            onChanged();
          } else {
            paramsBuilder_.remove(index);
          }
          return this;
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public com.google.api.expr.v1alpha1.Type.Builder getParamsBuilder(
            int index) {
          return getParamsFieldBuilder().getBuilder(index);
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public com.google.api.expr.v1alpha1.TypeOrBuilder getParamsOrBuilder(
            int index) {
          if (paramsBuilder_ == null) {
            return params_.get(index);  } else {
            return paramsBuilder_.getMessageOrBuilder(index);
          }
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public java.util.List 
             getParamsOrBuilderList() {
          if (paramsBuilder_ != null) {
            return paramsBuilder_.getMessageOrBuilderList();
          } else {
            return java.util.Collections.unmodifiableList(params_);
          }
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public com.google.api.expr.v1alpha1.Type.Builder addParamsBuilder() {
          return getParamsFieldBuilder().addBuilder(
              com.google.api.expr.v1alpha1.Type.getDefaultInstance());
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public com.google.api.expr.v1alpha1.Type.Builder addParamsBuilder(
            int index) {
          return getParamsFieldBuilder().addBuilder(
              index, com.google.api.expr.v1alpha1.Type.getDefaultInstance());
        }
        /**
         * 
         * List of function parameter [Type][google.api.expr.v1alpha1.Type]
         * values.
         * Param types are disjoint after generic type parameters have been
         * replaced with the type `DYN`. Since the `DYN` type is compatible with
         * any other type, this means that if `A` is a type parameter, the
         * function types `int<A>` and `int<int>` are not disjoint. Likewise,
         * `map<string, string>` is not disjoint from `map<K, V>`.
         * When the `result_type` of a function is a generic type param, the
         * type param name also appears as the `type` of on at least one params.
         * 
         *
         * repeated .google.api.expr.v1alpha1.Type params = 2;
         */
        public java.util.List 
             getParamsBuilderList() {
          return getParamsFieldBuilder().getBuilderList();
        }
        private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> 
            getParamsFieldBuilder() {
          if (paramsBuilder_ == null) {
            paramsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder>(
                    params_,
                    ((bitField0_ & 0x00000001) != 0),
                    getParentForChildren(),
                    isClean());
            params_ = null;
          }
          return paramsBuilder_;
        }

        private com.google.protobuf.LazyStringList typeParams_ = com.google.protobuf.LazyStringArrayList.EMPTY;
        private void ensureTypeParamsIsMutable() {
          if (!((bitField0_ & 0x00000002) != 0)) {
            typeParams_ = new com.google.protobuf.LazyStringArrayList(typeParams_);
            bitField0_ |= 0x00000002;
           }
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @return A list containing the typeParams.
         */
        public com.google.protobuf.ProtocolStringList
            getTypeParamsList() {
          return typeParams_.getUnmodifiableView();
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @return The count of typeParams.
         */
        public int getTypeParamsCount() {
          return typeParams_.size();
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param index The index of the element to return.
         * @return The typeParams at the given index.
         */
        public java.lang.String getTypeParams(int index) {
          return typeParams_.get(index);
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param index The index of the value to return.
         * @return The bytes of the typeParams at the given index.
         */
        public com.google.protobuf.ByteString
            getTypeParamsBytes(int index) {
          return typeParams_.getByteString(index);
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param index The index to set the value at.
         * @param value The typeParams to set.
         * @return This builder for chaining.
         */
        public Builder setTypeParams(
            int index, java.lang.String value) {
          if (value == null) {
    throw new NullPointerException();
  }
  ensureTypeParamsIsMutable();
          typeParams_.set(index, value);
          onChanged();
          return this;
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param value The typeParams to add.
         * @return This builder for chaining.
         */
        public Builder addTypeParams(
            java.lang.String value) {
          if (value == null) {
    throw new NullPointerException();
  }
  ensureTypeParamsIsMutable();
          typeParams_.add(value);
          onChanged();
          return this;
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param values The typeParams to add.
         * @return This builder for chaining.
         */
        public Builder addAllTypeParams(
            java.lang.Iterable values) {
          ensureTypeParamsIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(
              values, typeParams_);
          onChanged();
          return this;
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @return This builder for chaining.
         */
        public Builder clearTypeParams() {
          typeParams_ = com.google.protobuf.LazyStringArrayList.EMPTY;
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
          return this;
        }
        /**
         * 
         * The type param names associated with the function declaration.
         * For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
         * the type params of `K, V`.
         * 
         *
         * repeated string type_params = 3;
         * @param value The bytes of the typeParams to add.
         * @return This builder for chaining.
         */
        public Builder addTypeParamsBytes(
            com.google.protobuf.ByteString value) {
          if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
          ensureTypeParamsIsMutable();
          typeParams_.add(value);
          onChanged();
          return this;
        }

        private com.google.api.expr.v1alpha1.Type resultType_;
        private com.google.protobuf.SingleFieldBuilderV3<
            com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> resultTypeBuilder_;
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         * @return Whether the resultType field is set.
         */
        public boolean hasResultType() {
          return resultTypeBuilder_ != null || resultType_ != null;
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         * @return The resultType.
         */
        public com.google.api.expr.v1alpha1.Type getResultType() {
          if (resultTypeBuilder_ == null) {
            return resultType_ == null ? com.google.api.expr.v1alpha1.Type.getDefaultInstance() : resultType_;
          } else {
            return resultTypeBuilder_.getMessage();
          }
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public Builder setResultType(com.google.api.expr.v1alpha1.Type value) {
          if (resultTypeBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            resultType_ = value;
            onChanged();
          } else {
            resultTypeBuilder_.setMessage(value);
          }

          return this;
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public Builder setResultType(
            com.google.api.expr.v1alpha1.Type.Builder builderForValue) {
          if (resultTypeBuilder_ == null) {
            resultType_ = builderForValue.build();
            onChanged();
          } else {
            resultTypeBuilder_.setMessage(builderForValue.build());
          }

          return this;
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public Builder mergeResultType(com.google.api.expr.v1alpha1.Type value) {
          if (resultTypeBuilder_ == null) {
            if (resultType_ != null) {
              resultType_ =
                com.google.api.expr.v1alpha1.Type.newBuilder(resultType_).mergeFrom(value).buildPartial();
            } else {
              resultType_ = value;
            }
            onChanged();
          } else {
            resultTypeBuilder_.mergeFrom(value);
          }

          return this;
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public Builder clearResultType() {
          if (resultTypeBuilder_ == null) {
            resultType_ = null;
            onChanged();
          } else {
            resultType_ = null;
            resultTypeBuilder_ = null;
          }

          return this;
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public com.google.api.expr.v1alpha1.Type.Builder getResultTypeBuilder() {
          
          onChanged();
          return getResultTypeFieldBuilder().getBuilder();
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        public com.google.api.expr.v1alpha1.TypeOrBuilder getResultTypeOrBuilder() {
          if (resultTypeBuilder_ != null) {
            return resultTypeBuilder_.getMessageOrBuilder();
          } else {
            return resultType_ == null ?
                com.google.api.expr.v1alpha1.Type.getDefaultInstance() : resultType_;
          }
        }
        /**
         * 
         * Required. The result type of the function. For example, the operator
         * `string.isEmpty()` would have `result_type` of `kind: BOOL`.
         * 
         *
         * .google.api.expr.v1alpha1.Type result_type = 4;
         */
        private com.google.protobuf.SingleFieldBuilderV3<
            com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder> 
            getResultTypeFieldBuilder() {
          if (resultTypeBuilder_ == null) {
            resultTypeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
                com.google.api.expr.v1alpha1.Type, com.google.api.expr.v1alpha1.Type.Builder, com.google.api.expr.v1alpha1.TypeOrBuilder>(
                    getResultType(),
                    getParentForChildren(),
                    isClean());
            resultType_ = null;
          }
          return resultTypeBuilder_;
        }

        private boolean isInstanceFunction_ ;
        /**
         * 
         * Whether the function is to be used in a method call-style `x.f(...)`
         * or a function call-style `f(x, ...)`.
         * For methods, the first parameter declaration, `params[0]` is the
         * expected type of the target receiver.
         * 
         *
         * bool is_instance_function = 5;
         * @return The isInstanceFunction.
         */
        @java.lang.Override
        public boolean getIsInstanceFunction() {
          return isInstanceFunction_;
        }
        /**
         * 
         * Whether the function is to be used in a method call-style `x.f(...)`
         * or a function call-style `f(x, ...)`.
         * For methods, the first parameter declaration, `params[0]` is the
         * expected type of the target receiver.
         * 
         *
         * bool is_instance_function = 5;
         * @param value The isInstanceFunction to set.
         * @return This builder for chaining.
         */
        public Builder setIsInstanceFunction(boolean value) {
          
          isInstanceFunction_ = value;
          onChanged();
          return this;
        }
        /**
         * 
         * Whether the function is to be used in a method call-style `x.f(...)`
         * or a function call-style `f(x, ...)`.
         * For methods, the first parameter declaration, `params[0]` is the
         * expected type of the target receiver.
         * 
         *
         * bool is_instance_function = 5;
         * @return This builder for chaining.
         */
        public Builder clearIsInstanceFunction() {
          
          isInstanceFunction_ = false;
          onChanged();
          return this;
        }

        private java.lang.Object doc_ = "";
        /**
         * 
         * Documentation string for the overload.
         * 
         *
         * string doc = 6;
         * @return The doc.
         */
        public java.lang.String getDoc() {
          java.lang.Object ref = doc_;
          if (!(ref instanceof java.lang.String)) {
            com.google.protobuf.ByteString bs =
                (com.google.protobuf.ByteString) ref;
            java.lang.String s = bs.toStringUtf8();
            doc_ = s;
            return s;
          } else {
            return (java.lang.String) ref;
          }
        }
        /**
         * 
         * Documentation string for the overload.
         * 
         *
         * string doc = 6;
         * @return The bytes for doc.
         */
        public com.google.protobuf.ByteString
            getDocBytes() {
          java.lang.Object ref = doc_;
          if (ref instanceof String) {
            com.google.protobuf.ByteString b = 
                com.google.protobuf.ByteString.copyFromUtf8(
                    (java.lang.String) ref);
            doc_ = b;
            return b;
          } else {
            return (com.google.protobuf.ByteString) ref;
          }
        }
        /**
         * 
         * Documentation string for the overload.
         * 
         *
         * string doc = 6;
         * @param value The doc to set.
         * @return This builder for chaining.
         */
        public Builder setDoc(
            java.lang.String value) {
          if (value == null) {
    throw new NullPointerException();
  }
  
          doc_ = value;
          onChanged();
          return this;
        }
        /**
         * 
         * Documentation string for the overload.
         * 
         *
         * string doc = 6;
         * @return This builder for chaining.
         */
        public Builder clearDoc() {
          
          doc_ = getDefaultInstance().getDoc();
          onChanged();
          return this;
        }
        /**
         * 
         * Documentation string for the overload.
         * 
         *
         * string doc = 6;
         * @param value The bytes for doc to set.
         * @return This builder for chaining.
         */
        public Builder setDocBytes(
            com.google.protobuf.ByteString value) {
          if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
          
          doc_ = value;
          onChanged();
          return this;
        }
        @java.lang.Override
        public final Builder setUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.setUnknownFields(unknownFields);
        }

        @java.lang.Override
        public final Builder mergeUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
          return super.mergeUnknownFields(unknownFields);
        }


        // @@protoc_insertion_point(builder_scope:google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)
      }

      // @@protoc_insertion_point(class_scope:google.api.expr.v1alpha1.Decl.FunctionDecl.Overload)
      private static final com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload DEFAULT_INSTANCE;
      static {
        DEFAULT_INSTANCE = new com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload();
      }

      public static com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getDefaultInstance() {
        return DEFAULT_INSTANCE;
      }

      private static final com.google.protobuf.Parser
          PARSER = new com.google.protobuf.AbstractParser() {
        @java.lang.Override
        public Overload parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          return new Overload(input, extensionRegistry);
        }
      };

      public static com.google.protobuf.Parser parser() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.protobuf.Parser getParserForType() {
        return PARSER;
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
      }

    }

    public static final int OVERLOADS_FIELD_NUMBER = 1;
    private java.util.List overloads_;
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    @java.lang.Override
    public java.util.List getOverloadsList() {
      return overloads_;
    }
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    @java.lang.Override
    public java.util.List 
        getOverloadsOrBuilderList() {
      return overloads_;
    }
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    @java.lang.Override
    public int getOverloadsCount() {
      return overloads_.size();
    }
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getOverloads(int index) {
      return overloads_.get(index);
    }
    /**
     * 
     * Required. List of function overloads, must contain at least one overload.
     * 
     *
     * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder getOverloadsOrBuilder(
        int index) {
      return overloads_.get(index);
    }

    private byte memoizedIsInitialized = -1;
    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      for (int i = 0; i < overloads_.size(); i++) {
        output.writeMessage(1, overloads_.get(i));
      }
      unknownFields.writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      for (int i = 0; i < overloads_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(1, overloads_.get(i));
      }
      size += unknownFields.getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof com.google.api.expr.v1alpha1.Decl.FunctionDecl)) {
        return super.equals(obj);
      }
      com.google.api.expr.v1alpha1.Decl.FunctionDecl other = (com.google.api.expr.v1alpha1.Decl.FunctionDecl) obj;

      if (!getOverloadsList()
          .equals(other.getOverloadsList())) return false;
      if (!unknownFields.equals(other.unknownFields)) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getOverloadsCount() > 0) {
        hash = (37 * hash) + OVERLOADS_FIELD_NUMBER;
        hash = (53 * hash) + getOverloadsList().hashCode();
      }
      hash = (29 * hash) + unknownFields.hashCode();
      memoizedHashCode = hash;
      return hash;
    }

    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        java.nio.ByteBuffer data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        java.nio.ByteBuffer data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseDelimitedWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input);
    }
    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessageV3
          .parseWithIOException(PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }
    public static Builder newBuilder(com.google.api.expr.v1alpha1.Decl.FunctionDecl prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }
    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE
          ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     * 
     * Function declaration specifies one or more overloads which indicate the
     * function's parameter types and return type.
     * Functions have no observable side-effects (there may be side-effects like
     * logging which are not observable from CEL).
     * 
     *
     * Protobuf type {@code google.api.expr.v1alpha1.Decl.FunctionDecl}
     */
    public static final class Builder extends
        com.google.protobuf.GeneratedMessageV3.Builder implements
        // @@protoc_insertion_point(builder_implements:google.api.expr.v1alpha1.Decl.FunctionDecl)
        com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.google.api.expr.v1alpha1.Decl.FunctionDecl.class, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder.class);
      }

      // Construct using com.google.api.expr.v1alpha1.Decl.FunctionDecl.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }

      private Builder(
          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessageV3
                .alwaysUseFieldBuilders) {
          getOverloadsFieldBuilder();
        }
      }
      @java.lang.Override
      public Builder clear() {
        super.clear();
        if (overloadsBuilder_ == null) {
          overloads_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000001);
        } else {
          overloadsBuilder_.clear();
        }
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_FunctionDecl_descriptor;
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl getDefaultInstanceForType() {
        return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl build() {
        com.google.api.expr.v1alpha1.Decl.FunctionDecl result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl buildPartial() {
        com.google.api.expr.v1alpha1.Decl.FunctionDecl result = new com.google.api.expr.v1alpha1.Decl.FunctionDecl(this);
        int from_bitField0_ = bitField0_;
        if (overloadsBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            overloads_ = java.util.Collections.unmodifiableList(overloads_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.overloads_ = overloads_;
        } else {
          result.overloads_ = overloadsBuilder_.build();
        }
        onBuilt();
        return result;
      }

      @java.lang.Override
      public Builder clone() {
        return super.clone();
      }
      @java.lang.Override
      public Builder setField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          java.lang.Object value) {
        return super.setField(field, value);
      }
      @java.lang.Override
      public Builder clearField(
          com.google.protobuf.Descriptors.FieldDescriptor field) {
        return super.clearField(field);
      }
      @java.lang.Override
      public Builder clearOneof(
          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }
      @java.lang.Override
      public Builder setRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          int index, java.lang.Object value) {
        return super.setRepeatedField(field, index, value);
      }
      @java.lang.Override
      public Builder addRepeatedField(
          com.google.protobuf.Descriptors.FieldDescriptor field,
          java.lang.Object value) {
        return super.addRepeatedField(field, value);
      }
      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.google.api.expr.v1alpha1.Decl.FunctionDecl) {
          return mergeFrom((com.google.api.expr.v1alpha1.Decl.FunctionDecl)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.google.api.expr.v1alpha1.Decl.FunctionDecl other) {
        if (other == com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance()) return this;
        if (overloadsBuilder_ == null) {
          if (!other.overloads_.isEmpty()) {
            if (overloads_.isEmpty()) {
              overloads_ = other.overloads_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureOverloadsIsMutable();
              overloads_.addAll(other.overloads_);
            }
            onChanged();
          }
        } else {
          if (!other.overloads_.isEmpty()) {
            if (overloadsBuilder_.isEmpty()) {
              overloadsBuilder_.dispose();
              overloadsBuilder_ = null;
              overloads_ = other.overloads_;
              bitField0_ = (bitField0_ & ~0x00000001);
              overloadsBuilder_ = 
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
                   getOverloadsFieldBuilder() : null;
            } else {
              overloadsBuilder_.addAllMessages(other.overloads_);
            }
          }
        }
        this.mergeUnknownFields(other.unknownFields);
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.api.expr.v1alpha1.Decl.FunctionDecl parsedMessage = null;
        try {
          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          parsedMessage = (com.google.api.expr.v1alpha1.Decl.FunctionDecl) e.getUnfinishedMessage();
          throw e.unwrapIOException();
        } finally {
          if (parsedMessage != null) {
            mergeFrom(parsedMessage);
          }
        }
        return this;
      }
      private int bitField0_;

      private java.util.List overloads_ =
        java.util.Collections.emptyList();
      private void ensureOverloadsIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          overloads_ = new java.util.ArrayList(overloads_);
          bitField0_ |= 0x00000001;
         }
      }

      private com.google.protobuf.RepeatedFieldBuilderV3<
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder> overloadsBuilder_;

      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public java.util.List getOverloadsList() {
        if (overloadsBuilder_ == null) {
          return java.util.Collections.unmodifiableList(overloads_);
        } else {
          return overloadsBuilder_.getMessageList();
        }
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public int getOverloadsCount() {
        if (overloadsBuilder_ == null) {
          return overloads_.size();
        } else {
          return overloadsBuilder_.getCount();
        }
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload getOverloads(int index) {
        if (overloadsBuilder_ == null) {
          return overloads_.get(index);
        } else {
          return overloadsBuilder_.getMessage(index);
        }
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder setOverloads(
          int index, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload value) {
        if (overloadsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureOverloadsIsMutable();
          overloads_.set(index, value);
          onChanged();
        } else {
          overloadsBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder setOverloads(
          int index, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder builderForValue) {
        if (overloadsBuilder_ == null) {
          ensureOverloadsIsMutable();
          overloads_.set(index, builderForValue.build());
          onChanged();
        } else {
          overloadsBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder addOverloads(com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload value) {
        if (overloadsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureOverloadsIsMutable();
          overloads_.add(value);
          onChanged();
        } else {
          overloadsBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder addOverloads(
          int index, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload value) {
        if (overloadsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureOverloadsIsMutable();
          overloads_.add(index, value);
          onChanged();
        } else {
          overloadsBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder addOverloads(
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder builderForValue) {
        if (overloadsBuilder_ == null) {
          ensureOverloadsIsMutable();
          overloads_.add(builderForValue.build());
          onChanged();
        } else {
          overloadsBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder addOverloads(
          int index, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder builderForValue) {
        if (overloadsBuilder_ == null) {
          ensureOverloadsIsMutable();
          overloads_.add(index, builderForValue.build());
          onChanged();
        } else {
          overloadsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder addAllOverloads(
          java.lang.Iterable values) {
        if (overloadsBuilder_ == null) {
          ensureOverloadsIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(
              values, overloads_);
          onChanged();
        } else {
          overloadsBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder clearOverloads() {
        if (overloadsBuilder_ == null) {
          overloads_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000001);
          onChanged();
        } else {
          overloadsBuilder_.clear();
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public Builder removeOverloads(int index) {
        if (overloadsBuilder_ == null) {
          ensureOverloadsIsMutable();
          overloads_.remove(index);
          onChanged();
        } else {
          overloadsBuilder_.remove(index);
        }
        return this;
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder getOverloadsBuilder(
          int index) {
        return getOverloadsFieldBuilder().getBuilder(index);
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder getOverloadsOrBuilder(
          int index) {
        if (overloadsBuilder_ == null) {
          return overloads_.get(index);  } else {
          return overloadsBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public java.util.List 
           getOverloadsOrBuilderList() {
        if (overloadsBuilder_ != null) {
          return overloadsBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(overloads_);
        }
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder addOverloadsBuilder() {
        return getOverloadsFieldBuilder().addBuilder(
            com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.getDefaultInstance());
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder addOverloadsBuilder(
          int index) {
        return getOverloadsFieldBuilder().addBuilder(
            index, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.getDefaultInstance());
      }
      /**
       * 
       * Required. List of function overloads, must contain at least one overload.
       * 
       *
       * repeated .google.api.expr.v1alpha1.Decl.FunctionDecl.Overload overloads = 1;
       */
      public java.util.List 
           getOverloadsBuilderList() {
        return getOverloadsFieldBuilder().getBuilderList();
      }
      private com.google.protobuf.RepeatedFieldBuilderV3<
          com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder> 
          getOverloadsFieldBuilder() {
        if (overloadsBuilder_ == null) {
          overloadsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Overload.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDecl.OverloadOrBuilder>(
                  overloads_,
                  ((bitField0_ & 0x00000001) != 0),
                  getParentForChildren(),
                  isClean());
          overloads_ = null;
        }
        return overloadsBuilder_;
      }
      @java.lang.Override
      public final Builder setUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.setUnknownFields(unknownFields);
      }

      @java.lang.Override
      public final Builder mergeUnknownFields(
          final com.google.protobuf.UnknownFieldSet unknownFields) {
        return super.mergeUnknownFields(unknownFields);
      }


      // @@protoc_insertion_point(builder_scope:google.api.expr.v1alpha1.Decl.FunctionDecl)
    }

    // @@protoc_insertion_point(class_scope:google.api.expr.v1alpha1.Decl.FunctionDecl)
    private static final com.google.api.expr.v1alpha1.Decl.FunctionDecl DEFAULT_INSTANCE;
    static {
      DEFAULT_INSTANCE = new com.google.api.expr.v1alpha1.Decl.FunctionDecl();
    }

    public static com.google.api.expr.v1alpha1.Decl.FunctionDecl getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser
        PARSER = new com.google.protobuf.AbstractParser() {
      @java.lang.Override
      public FunctionDecl parsePartialFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return new FunctionDecl(input, extensionRegistry);
      }
    };

    public static com.google.protobuf.Parser parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.FunctionDecl getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }

  }

  private int declKindCase_ = 0;
  private java.lang.Object declKind_;
  public enum DeclKindCase
      implements com.google.protobuf.Internal.EnumLite,
          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
    IDENT(2),
    FUNCTION(3),
    DECLKIND_NOT_SET(0);
    private final int value;
    private DeclKindCase(int value) {
      this.value = value;
    }
    /**
     * @param value The number of the enum to look for.
     * @return The enum associated with the given number.
     * @deprecated Use {@link #forNumber(int)} instead.
     */
    @java.lang.Deprecated
    public static DeclKindCase valueOf(int value) {
      return forNumber(value);
    }

    public static DeclKindCase forNumber(int value) {
      switch (value) {
        case 2: return IDENT;
        case 3: return FUNCTION;
        case 0: return DECLKIND_NOT_SET;
        default: return null;
      }
    }
    public int getNumber() {
      return this.value;
    }
  };

  public DeclKindCase
  getDeclKindCase() {
    return DeclKindCase.forNumber(
        declKindCase_);
  }

  public static final int NAME_FIELD_NUMBER = 1;
  private volatile java.lang.Object name_;
  /**
   * 
   * The fully qualified name of the declaration.
   * Declarations are organized in containers and this represents the full path
   * to the declaration in its container, as in `google.api.expr.Decl`.
   * Declarations used as
   * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
   * parameters may or may not have a name depending on whether the overload is
   * function declaration or a function definition containing a result
   * [Expr][google.api.expr.v1alpha1.Expr].
   * 
   *
   * string name = 1;
   * @return The name.
   */
  @java.lang.Override
  public java.lang.String getName() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = 
          (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      name_ = s;
      return s;
    }
  }
  /**
   * 
   * The fully qualified name of the declaration.
   * Declarations are organized in containers and this represents the full path
   * to the declaration in its container, as in `google.api.expr.Decl`.
   * Declarations used as
   * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
   * parameters may or may not have a name depending on whether the overload is
   * function declaration or a function definition containing a result
   * [Expr][google.api.expr.v1alpha1.Expr].
   * 
   *
   * string name = 1;
   * @return The bytes for name.
   */
  @java.lang.Override
  public com.google.protobuf.ByteString
      getNameBytes() {
    java.lang.Object ref = name_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b = 
          com.google.protobuf.ByteString.copyFromUtf8(
              (java.lang.String) ref);
      name_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }

  public static final int IDENT_FIELD_NUMBER = 2;
  /**
   * 
   * Identifier declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
   * @return Whether the ident field is set.
   */
  @java.lang.Override
  public boolean hasIdent() {
    return declKindCase_ == 2;
  }
  /**
   * 
   * Identifier declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
   * @return The ident.
   */
  @java.lang.Override
  public com.google.api.expr.v1alpha1.Decl.IdentDecl getIdent() {
    if (declKindCase_ == 2) {
       return (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_;
    }
    return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
  }
  /**
   * 
   * Identifier declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
   */
  @java.lang.Override
  public com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder getIdentOrBuilder() {
    if (declKindCase_ == 2) {
       return (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_;
    }
    return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
  }

  public static final int FUNCTION_FIELD_NUMBER = 3;
  /**
   * 
   * Function declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
   * @return Whether the function field is set.
   */
  @java.lang.Override
  public boolean hasFunction() {
    return declKindCase_ == 3;
  }
  /**
   * 
   * Function declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
   * @return The function.
   */
  @java.lang.Override
  public com.google.api.expr.v1alpha1.Decl.FunctionDecl getFunction() {
    if (declKindCase_ == 3) {
       return (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_;
    }
    return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
  }
  /**
   * 
   * Function declaration.
   * 
   *
   * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
   */
  @java.lang.Override
  public com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder getFunctionOrBuilder() {
    if (declKindCase_ == 3) {
       return (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_;
    }
    return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
  }

  private byte memoizedIsInitialized = -1;
  @java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }

  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output)
                      throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (declKindCase_ == 2) {
      output.writeMessage(2, (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_);
    }
    if (declKindCase_ == 3) {
      output.writeMessage(3, (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_);
    }
    unknownFields.writeTo(output);
  }

  @java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
    }
    if (declKindCase_ == 2) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(2, (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_);
    }
    if (declKindCase_ == 3) {
      size += com.google.protobuf.CodedOutputStream
        .computeMessageSize(3, (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_);
    }
    size += unknownFields.getSerializedSize();
    memoizedSize = size;
    return size;
  }

  @java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
     return true;
    }
    if (!(obj instanceof com.google.api.expr.v1alpha1.Decl)) {
      return super.equals(obj);
    }
    com.google.api.expr.v1alpha1.Decl other = (com.google.api.expr.v1alpha1.Decl) obj;

    if (!getName()
        .equals(other.getName())) return false;
    if (!getDeclKindCase().equals(other.getDeclKindCase())) return false;
    switch (declKindCase_) {
      case 2:
        if (!getIdent()
            .equals(other.getIdent())) return false;
        break;
      case 3:
        if (!getFunction()
            .equals(other.getFunction())) return false;
        break;
      case 0:
      default:
    }
    if (!unknownFields.equals(other.unknownFields)) return false;
    return true;
  }

  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + NAME_FIELD_NUMBER;
    hash = (53 * hash) + getName().hashCode();
    switch (declKindCase_) {
      case 2:
        hash = (37 * hash) + IDENT_FIELD_NUMBER;
        hash = (53 * hash) + getIdent().hashCode();
        break;
      case 3:
        hash = (37 * hash) + FUNCTION_FIELD_NUMBER;
        hash = (53 * hash) + getFunction().hashCode();
        break;
      case 0:
      default:
    }
    hash = (29 * hash) + unknownFields.hashCode();
    memoizedHashCode = hash;
    return hash;
  }

  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      java.nio.ByteBuffer data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      java.nio.ByteBuffer data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      com.google.protobuf.ByteString data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      byte[] data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseWithIOException(PARSER, input);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      java.io.InputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseWithIOException(PARSER, input, extensionRegistry);
  }
  public static com.google.api.expr.v1alpha1.Decl parseDelimitedFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseDelimitedWithIOException(PARSER, input);
  }
  public static com.google.api.expr.v1alpha1.Decl parseDelimitedFrom(
      java.io.InputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      com.google.protobuf.CodedInputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseWithIOException(PARSER, input);
  }
  public static com.google.api.expr.v1alpha1.Decl parseFrom(
      com.google.protobuf.CodedInputStream input,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3
        .parseWithIOException(PARSER, input, extensionRegistry);
  }

  @java.lang.Override
  public Builder newBuilderForType() { return newBuilder(); }
  public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
  public static Builder newBuilder(com.google.api.expr.v1alpha1.Decl prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }
  @java.lang.Override
  public Builder toBuilder() {
    return this == DEFAULT_INSTANCE
        ? new Builder() : new Builder().mergeFrom(this);
  }

  @java.lang.Override
  protected Builder newBuilderForType(
      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
  /**
   * 
   * Represents a declaration of a named value or function.
   * A declaration is part of the contract between the expression, the agent
   * evaluating that expression, and the caller requesting evaluation.
   * 
   *
   * Protobuf type {@code google.api.expr.v1alpha1.Decl}
   */
  public static final class Builder extends
      com.google.protobuf.GeneratedMessageV3.Builder implements
      // @@protoc_insertion_point(builder_implements:google.api.expr.v1alpha1.Decl)
      com.google.api.expr.v1alpha1.DeclOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.google.api.expr.v1alpha1.Decl.class, com.google.api.expr.v1alpha1.Decl.Builder.class);
    }

    // Construct using com.google.api.expr.v1alpha1.Decl.newBuilder()
    private Builder() {
      maybeForceBuilderInitialization();
    }

    private Builder(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      super(parent);
      maybeForceBuilderInitialization();
    }
    private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3
              .alwaysUseFieldBuilders) {
      }
    }
    @java.lang.Override
    public Builder clear() {
      super.clear();
      name_ = "";

      declKindCase_ = 0;
      declKind_ = null;
      return this;
    }

    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor
        getDescriptorForType() {
      return com.google.api.expr.v1alpha1.DeclProto.internal_static_google_api_expr_v1alpha1_Decl_descriptor;
    }

    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl getDefaultInstanceForType() {
      return com.google.api.expr.v1alpha1.Decl.getDefaultInstance();
    }

    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl build() {
      com.google.api.expr.v1alpha1.Decl result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl buildPartial() {
      com.google.api.expr.v1alpha1.Decl result = new com.google.api.expr.v1alpha1.Decl(this);
      result.name_ = name_;
      if (declKindCase_ == 2) {
        if (identBuilder_ == null) {
          result.declKind_ = declKind_;
        } else {
          result.declKind_ = identBuilder_.build();
        }
      }
      if (declKindCase_ == 3) {
        if (functionBuilder_ == null) {
          result.declKind_ = declKind_;
        } else {
          result.declKind_ = functionBuilder_.build();
        }
      }
      result.declKindCase_ = declKindCase_;
      onBuilt();
      return result;
    }

    @java.lang.Override
    public Builder clone() {
      return super.clone();
    }
    @java.lang.Override
    public Builder setField(
        com.google.protobuf.Descriptors.FieldDescriptor field,
        java.lang.Object value) {
      return super.setField(field, value);
    }
    @java.lang.Override
    public Builder clearField(
        com.google.protobuf.Descriptors.FieldDescriptor field) {
      return super.clearField(field);
    }
    @java.lang.Override
    public Builder clearOneof(
        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return super.clearOneof(oneof);
    }
    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field,
        int index, java.lang.Object value) {
      return super.setRepeatedField(field, index, value);
    }
    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field,
        java.lang.Object value) {
      return super.addRepeatedField(field, value);
    }
    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.api.expr.v1alpha1.Decl) {
        return mergeFrom((com.google.api.expr.v1alpha1.Decl)other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.api.expr.v1alpha1.Decl other) {
      if (other == com.google.api.expr.v1alpha1.Decl.getDefaultInstance()) return this;
      if (!other.getName().isEmpty()) {
        name_ = other.name_;
        onChanged();
      }
      switch (other.getDeclKindCase()) {
        case IDENT: {
          mergeIdent(other.getIdent());
          break;
        }
        case FUNCTION: {
          mergeFunction(other.getFunction());
          break;
        }
        case DECLKIND_NOT_SET: {
          break;
        }
      }
      this.mergeUnknownFields(other.unknownFields);
      onChanged();
      return this;
    }

    @java.lang.Override
    public final boolean isInitialized() {
      return true;
    }

    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      com.google.api.expr.v1alpha1.Decl parsedMessage = null;
      try {
        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (com.google.api.expr.v1alpha1.Decl) e.getUnfinishedMessage();
        throw e.unwrapIOException();
      } finally {
        if (parsedMessage != null) {
          mergeFrom(parsedMessage);
        }
      }
      return this;
    }
    private int declKindCase_ = 0;
    private java.lang.Object declKind_;
    public DeclKindCase
        getDeclKindCase() {
      return DeclKindCase.forNumber(
          declKindCase_);
    }

    public Builder clearDeclKind() {
      declKindCase_ = 0;
      declKind_ = null;
      onChanged();
      return this;
    }


    private java.lang.Object name_ = "";
    /**
     * 
     * The fully qualified name of the declaration.
     * Declarations are organized in containers and this represents the full path
     * to the declaration in its container, as in `google.api.expr.Decl`.
     * Declarations used as
     * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
     * parameters may or may not have a name depending on whether the overload is
     * function declaration or a function definition containing a result
     * [Expr][google.api.expr.v1alpha1.Expr].
     * 
     *
     * string name = 1;
     * @return The name.
     */
    public java.lang.String getName() {
      java.lang.Object ref = name_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs =
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        name_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     * 
     * The fully qualified name of the declaration.
     * Declarations are organized in containers and this represents the full path
     * to the declaration in its container, as in `google.api.expr.Decl`.
     * Declarations used as
     * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
     * parameters may or may not have a name depending on whether the overload is
     * function declaration or a function definition containing a result
     * [Expr][google.api.expr.v1alpha1.Expr].
     * 
     *
     * string name = 1;
     * @return The bytes for name.
     */
    public com.google.protobuf.ByteString
        getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     * 
     * The fully qualified name of the declaration.
     * Declarations are organized in containers and this represents the full path
     * to the declaration in its container, as in `google.api.expr.Decl`.
     * Declarations used as
     * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
     * parameters may or may not have a name depending on whether the overload is
     * function declaration or a function definition containing a result
     * [Expr][google.api.expr.v1alpha1.Expr].
     * 
     *
     * string name = 1;
     * @param value The name to set.
     * @return This builder for chaining.
     */
    public Builder setName(
        java.lang.String value) {
      if (value == null) {
    throw new NullPointerException();
  }
  
      name_ = value;
      onChanged();
      return this;
    }
    /**
     * 
     * The fully qualified name of the declaration.
     * Declarations are organized in containers and this represents the full path
     * to the declaration in its container, as in `google.api.expr.Decl`.
     * Declarations used as
     * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
     * parameters may or may not have a name depending on whether the overload is
     * function declaration or a function definition containing a result
     * [Expr][google.api.expr.v1alpha1.Expr].
     * 
     *
     * string name = 1;
     * @return This builder for chaining.
     */
    public Builder clearName() {
      
      name_ = getDefaultInstance().getName();
      onChanged();
      return this;
    }
    /**
     * 
     * The fully qualified name of the declaration.
     * Declarations are organized in containers and this represents the full path
     * to the declaration in its container, as in `google.api.expr.Decl`.
     * Declarations used as
     * [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload]
     * parameters may or may not have a name depending on whether the overload is
     * function declaration or a function definition containing a result
     * [Expr][google.api.expr.v1alpha1.Expr].
     * 
     *
     * string name = 1;
     * @param value The bytes for name to set.
     * @return This builder for chaining.
     */
    public Builder setNameBytes(
        com.google.protobuf.ByteString value) {
      if (value == null) {
    throw new NullPointerException();
  }
  checkByteStringIsUtf8(value);
      
      name_ = value;
      onChanged();
      return this;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.api.expr.v1alpha1.Decl.IdentDecl, com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder, com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder> identBuilder_;
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     * @return Whether the ident field is set.
     */
    @java.lang.Override
    public boolean hasIdent() {
      return declKindCase_ == 2;
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     * @return The ident.
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.IdentDecl getIdent() {
      if (identBuilder_ == null) {
        if (declKindCase_ == 2) {
          return (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_;
        }
        return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
      } else {
        if (declKindCase_ == 2) {
          return identBuilder_.getMessage();
        }
        return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
      }
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    public Builder setIdent(com.google.api.expr.v1alpha1.Decl.IdentDecl value) {
      if (identBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        declKind_ = value;
        onChanged();
      } else {
        identBuilder_.setMessage(value);
      }
      declKindCase_ = 2;
      return this;
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    public Builder setIdent(
        com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder builderForValue) {
      if (identBuilder_ == null) {
        declKind_ = builderForValue.build();
        onChanged();
      } else {
        identBuilder_.setMessage(builderForValue.build());
      }
      declKindCase_ = 2;
      return this;
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    public Builder mergeIdent(com.google.api.expr.v1alpha1.Decl.IdentDecl value) {
      if (identBuilder_ == null) {
        if (declKindCase_ == 2 &&
            declKind_ != com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance()) {
          declKind_ = com.google.api.expr.v1alpha1.Decl.IdentDecl.newBuilder((com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_)
              .mergeFrom(value).buildPartial();
        } else {
          declKind_ = value;
        }
        onChanged();
      } else {
        if (declKindCase_ == 2) {
          identBuilder_.mergeFrom(value);
        } else {
          identBuilder_.setMessage(value);
        }
      }
      declKindCase_ = 2;
      return this;
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    public Builder clearIdent() {
      if (identBuilder_ == null) {
        if (declKindCase_ == 2) {
          declKindCase_ = 0;
          declKind_ = null;
          onChanged();
        }
      } else {
        if (declKindCase_ == 2) {
          declKindCase_ = 0;
          declKind_ = null;
        }
        identBuilder_.clear();
      }
      return this;
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    public com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder getIdentBuilder() {
      return getIdentFieldBuilder().getBuilder();
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder getIdentOrBuilder() {
      if ((declKindCase_ == 2) && (identBuilder_ != null)) {
        return identBuilder_.getMessageOrBuilder();
      } else {
        if (declKindCase_ == 2) {
          return (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_;
        }
        return com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
      }
    }
    /**
     * 
     * Identifier declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.IdentDecl ident = 2;
     */
    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.api.expr.v1alpha1.Decl.IdentDecl, com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder, com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder> 
        getIdentFieldBuilder() {
      if (identBuilder_ == null) {
        if (!(declKindCase_ == 2)) {
          declKind_ = com.google.api.expr.v1alpha1.Decl.IdentDecl.getDefaultInstance();
        }
        identBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
            com.google.api.expr.v1alpha1.Decl.IdentDecl, com.google.api.expr.v1alpha1.Decl.IdentDecl.Builder, com.google.api.expr.v1alpha1.Decl.IdentDeclOrBuilder>(
                (com.google.api.expr.v1alpha1.Decl.IdentDecl) declKind_,
                getParentForChildren(),
                isClean());
        declKind_ = null;
      }
      declKindCase_ = 2;
      onChanged();;
      return identBuilder_;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.api.expr.v1alpha1.Decl.FunctionDecl, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder> functionBuilder_;
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     * @return Whether the function field is set.
     */
    @java.lang.Override
    public boolean hasFunction() {
      return declKindCase_ == 3;
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     * @return The function.
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.FunctionDecl getFunction() {
      if (functionBuilder_ == null) {
        if (declKindCase_ == 3) {
          return (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_;
        }
        return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
      } else {
        if (declKindCase_ == 3) {
          return functionBuilder_.getMessage();
        }
        return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
      }
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    public Builder setFunction(com.google.api.expr.v1alpha1.Decl.FunctionDecl value) {
      if (functionBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        declKind_ = value;
        onChanged();
      } else {
        functionBuilder_.setMessage(value);
      }
      declKindCase_ = 3;
      return this;
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    public Builder setFunction(
        com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder builderForValue) {
      if (functionBuilder_ == null) {
        declKind_ = builderForValue.build();
        onChanged();
      } else {
        functionBuilder_.setMessage(builderForValue.build());
      }
      declKindCase_ = 3;
      return this;
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    public Builder mergeFunction(com.google.api.expr.v1alpha1.Decl.FunctionDecl value) {
      if (functionBuilder_ == null) {
        if (declKindCase_ == 3 &&
            declKind_ != com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance()) {
          declKind_ = com.google.api.expr.v1alpha1.Decl.FunctionDecl.newBuilder((com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_)
              .mergeFrom(value).buildPartial();
        } else {
          declKind_ = value;
        }
        onChanged();
      } else {
        if (declKindCase_ == 3) {
          functionBuilder_.mergeFrom(value);
        } else {
          functionBuilder_.setMessage(value);
        }
      }
      declKindCase_ = 3;
      return this;
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    public Builder clearFunction() {
      if (functionBuilder_ == null) {
        if (declKindCase_ == 3) {
          declKindCase_ = 0;
          declKind_ = null;
          onChanged();
        }
      } else {
        if (declKindCase_ == 3) {
          declKindCase_ = 0;
          declKind_ = null;
        }
        functionBuilder_.clear();
      }
      return this;
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    public com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder getFunctionBuilder() {
      return getFunctionFieldBuilder().getBuilder();
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    @java.lang.Override
    public com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder getFunctionOrBuilder() {
      if ((declKindCase_ == 3) && (functionBuilder_ != null)) {
        return functionBuilder_.getMessageOrBuilder();
      } else {
        if (declKindCase_ == 3) {
          return (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_;
        }
        return com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
      }
    }
    /**
     * 
     * Function declaration.
     * 
     *
     * .google.api.expr.v1alpha1.Decl.FunctionDecl function = 3;
     */
    private com.google.protobuf.SingleFieldBuilderV3<
        com.google.api.expr.v1alpha1.Decl.FunctionDecl, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder> 
        getFunctionFieldBuilder() {
      if (functionBuilder_ == null) {
        if (!(declKindCase_ == 3)) {
          declKind_ = com.google.api.expr.v1alpha1.Decl.FunctionDecl.getDefaultInstance();
        }
        functionBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
            com.google.api.expr.v1alpha1.Decl.FunctionDecl, com.google.api.expr.v1alpha1.Decl.FunctionDecl.Builder, com.google.api.expr.v1alpha1.Decl.FunctionDeclOrBuilder>(
                (com.google.api.expr.v1alpha1.Decl.FunctionDecl) declKind_,
                getParentForChildren(),
                isClean());
        declKind_ = null;
      }
      declKindCase_ = 3;
      onChanged();;
      return functionBuilder_;
    }
    @java.lang.Override
    public final Builder setUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }


    // @@protoc_insertion_point(builder_scope:google.api.expr.v1alpha1.Decl)
  }

  // @@protoc_insertion_point(class_scope:google.api.expr.v1alpha1.Decl)
  private static final com.google.api.expr.v1alpha1.Decl DEFAULT_INSTANCE;
  static {
    DEFAULT_INSTANCE = new com.google.api.expr.v1alpha1.Decl();
  }

  public static com.google.api.expr.v1alpha1.Decl getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser
      PARSER = new com.google.protobuf.AbstractParser() {
    @java.lang.Override
    public Decl parsePartialFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return new Decl(input, extensionRegistry);
    }
  };

  public static com.google.protobuf.Parser parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.api.expr.v1alpha1.Decl getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }

}