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// Generated by the Scala Plugin for the Protocol Buffer Compiler.
// Do not edit!
//
// Protofile syntax: PROTO3

package com.google.api.expr.v1alpha1

/** An abstract representation of a common expression.
  *
  * Expressions are abstractly represented as a collection of identifiers,
  * select statements, function calls, literals, and comprehensions. All
  * operators with the exception of the '.' operator are modelled as function
  * calls. This makes it easy to represent new operators into the existing AST.
  *
  * All references within expressions must resolve to a [Decl][google.api.expr.v1alpha1.Decl] provided at
  * type-check for an expression to be valid. A reference may either be a bare
  * identifier `name` or a qualified identifier `google.api.name`. References
  * may either refer to a value or a function declaration.
  *
  * For example, the expression `google.api.name.startsWith('expr')` references
  * the declaration `google.api.name` within a [Expr.Select][google.api.expr.v1alpha1.Expr.Select] expression, and
  * the function declaration `startsWith`.
  *
  * @param id
  *   Required. An id assigned to this node by the parser which is unique in a
  *   given expression tree. This is used to associate type information and other
  *   attributes to a node in the parse tree.
  */
@SerialVersionUID(0L)
final case class Expr(
    id: _root_.scala.Long = 0L,
    exprKind: com.google.api.expr.v1alpha1.Expr.ExprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.Empty,
    unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
    ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Expr] {
    @transient
    private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
    private[this] def __computeSerializedSize(): _root_.scala.Int = {
      var __size = 0
      
      {
        val __value = id
        if (__value != 0L) {
          __size += _root_.com.google.protobuf.CodedOutputStream.computeInt64Size(2, __value)
        }
      };
      if (exprKind.constExpr.isDefined) {
        val __value = exprKind.constExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.identExpr.isDefined) {
        val __value = exprKind.identExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.selectExpr.isDefined) {
        val __value = exprKind.selectExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.callExpr.isDefined) {
        val __value = exprKind.callExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.listExpr.isDefined) {
        val __value = exprKind.listExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.structExpr.isDefined) {
        val __value = exprKind.structExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      if (exprKind.comprehensionExpr.isDefined) {
        val __value = exprKind.comprehensionExpr.get
        __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
      };
      __size += unknownFields.serializedSize
      __size
    }
    override def serializedSize: _root_.scala.Int = {
      var __size = __serializedSizeMemoized
      if (__size == 0) {
        __size = __computeSerializedSize() + 1
        __serializedSizeMemoized = __size
      }
      __size - 1
      
    }
    def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
      {
        val __v = id
        if (__v != 0L) {
          _output__.writeInt64(2, __v)
        }
      };
      exprKind.constExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(3, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.identExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(4, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.selectExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(5, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.callExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(6, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.listExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(7, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.structExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(8, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      exprKind.comprehensionExpr.foreach { __v =>
        val __m = __v
        _output__.writeTag(9, 2)
        _output__.writeUInt32NoTag(__m.serializedSize)
        __m.writeTo(_output__)
      };
      unknownFields.writeTo(_output__)
    }
    def withId(__v: _root_.scala.Long): Expr = copy(id = __v)
    def getConstExpr: com.google.api.expr.v1alpha1.Constant = exprKind.constExpr.getOrElse(com.google.api.expr.v1alpha1.Constant.defaultInstance)
    def withConstExpr(__v: com.google.api.expr.v1alpha1.Constant): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ConstExpr(__v))
    def getIdentExpr: com.google.api.expr.v1alpha1.Expr.Ident = exprKind.identExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.Ident.defaultInstance)
    def withIdentExpr(__v: com.google.api.expr.v1alpha1.Expr.Ident): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.IdentExpr(__v))
    def getSelectExpr: com.google.api.expr.v1alpha1.Expr.Select = exprKind.selectExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.Select.defaultInstance)
    def withSelectExpr(__v: com.google.api.expr.v1alpha1.Expr.Select): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.SelectExpr(__v))
    def getCallExpr: com.google.api.expr.v1alpha1.Expr.Call = exprKind.callExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.Call.defaultInstance)
    def withCallExpr(__v: com.google.api.expr.v1alpha1.Expr.Call): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.CallExpr(__v))
    def getListExpr: com.google.api.expr.v1alpha1.Expr.CreateList = exprKind.listExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.CreateList.defaultInstance)
    def withListExpr(__v: com.google.api.expr.v1alpha1.Expr.CreateList): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ListExpr(__v))
    def getStructExpr: com.google.api.expr.v1alpha1.Expr.CreateStruct = exprKind.structExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.CreateStruct.defaultInstance)
    def withStructExpr(__v: com.google.api.expr.v1alpha1.Expr.CreateStruct): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.StructExpr(__v))
    def getComprehensionExpr: com.google.api.expr.v1alpha1.Expr.Comprehension = exprKind.comprehensionExpr.getOrElse(com.google.api.expr.v1alpha1.Expr.Comprehension.defaultInstance)
    def withComprehensionExpr(__v: com.google.api.expr.v1alpha1.Expr.Comprehension): Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ComprehensionExpr(__v))
    def clearExprKind: Expr = copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.Empty)
    def withExprKind(__v: com.google.api.expr.v1alpha1.Expr.ExprKind): Expr = copy(exprKind = __v)
    def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
    def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
    def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
      (__fieldNumber: @_root_.scala.unchecked) match {
        case 2 => {
          val __t = id
          if (__t != 0L) __t else null
        }
        case 3 => exprKind.constExpr.orNull
        case 4 => exprKind.identExpr.orNull
        case 5 => exprKind.selectExpr.orNull
        case 6 => exprKind.callExpr.orNull
        case 7 => exprKind.listExpr.orNull
        case 8 => exprKind.structExpr.orNull
        case 9 => exprKind.comprehensionExpr.orNull
      }
    }
    def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
      _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
      (__field.number: @_root_.scala.unchecked) match {
        case 2 => _root_.scalapb.descriptors.PLong(id)
        case 3 => exprKind.constExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 4 => exprKind.identExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 5 => exprKind.selectExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 6 => exprKind.callExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 7 => exprKind.listExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 8 => exprKind.structExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        case 9 => exprKind.comprehensionExpr.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
      }
    }
    def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
    def companion: com.google.api.expr.v1alpha1.Expr.type = com.google.api.expr.v1alpha1.Expr
    // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr])
}

object Expr extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr] {
  implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr] = this
  def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr = {
    var __id: _root_.scala.Long = 0L
    var __exprKind: com.google.api.expr.v1alpha1.Expr.ExprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.Empty
    var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
    var _done__ = false
    while (!_done__) {
      val _tag__ = _input__.readTag()
      _tag__ match {
        case 0 => _done__ = true
        case 16 =>
          __id = _input__.readInt64()
        case 26 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ConstExpr(__exprKind.constExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Constant](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 34 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.IdentExpr(__exprKind.identExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.Ident](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 42 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.SelectExpr(__exprKind.selectExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.Select](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 50 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.CallExpr(__exprKind.callExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.Call](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 58 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ListExpr(__exprKind.listExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.CreateList](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 66 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.StructExpr(__exprKind.structExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.CreateStruct](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case 74 =>
          __exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ComprehensionExpr(__exprKind.comprehensionExpr.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.Comprehension](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
        case tag =>
          if (_unknownFields__ == null) {
            _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
          }
          _unknownFields__.parseField(tag, _input__)
      }
    }
    com.google.api.expr.v1alpha1.Expr(
        id = __id,
        exprKind = __exprKind,
        unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
    )
  }
  implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr] = _root_.scalapb.descriptors.Reads{
    case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
      _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
      com.google.api.expr.v1alpha1.Expr(
        id = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).map(_.as[_root_.scala.Long]).getOrElse(0L),
        exprKind = __fieldsMap.get(scalaDescriptor.findFieldByNumber(3).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Constant]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.ConstExpr(_))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(4).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Ident]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.IdentExpr(_)))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(5).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Select]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.SelectExpr(_)))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(6).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Call]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.CallExpr(_)))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(7).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateList]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.ListExpr(_)))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(8).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateStruct]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.StructExpr(_)))
            .orElse[com.google.api.expr.v1alpha1.Expr.ExprKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(9).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Comprehension]]).map(com.google.api.expr.v1alpha1.Expr.ExprKind.ComprehensionExpr(_)))
            .getOrElse(com.google.api.expr.v1alpha1.Expr.ExprKind.Empty)
      )
    case _ => throw new RuntimeException("Expected PMessage")
  }
  def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = SyntaxProto.javaDescriptor.getMessageTypes().get(1)
  def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = SyntaxProto.scalaDescriptor.messages(1)
  def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
    var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
    (__number: @_root_.scala.unchecked) match {
      case 3 => __out = com.google.api.expr.v1alpha1.Constant
      case 4 => __out = com.google.api.expr.v1alpha1.Expr.Ident
      case 5 => __out = com.google.api.expr.v1alpha1.Expr.Select
      case 6 => __out = com.google.api.expr.v1alpha1.Expr.Call
      case 7 => __out = com.google.api.expr.v1alpha1.Expr.CreateList
      case 8 => __out = com.google.api.expr.v1alpha1.Expr.CreateStruct
      case 9 => __out = com.google.api.expr.v1alpha1.Expr.Comprehension
    }
    __out
  }
  lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] =
    Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]](
      _root_.com.google.api.expr.v1alpha1.Expr.Ident,
      _root_.com.google.api.expr.v1alpha1.Expr.Select,
      _root_.com.google.api.expr.v1alpha1.Expr.Call,
      _root_.com.google.api.expr.v1alpha1.Expr.CreateList,
      _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct,
      _root_.com.google.api.expr.v1alpha1.Expr.Comprehension
    )
  def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
  lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr(
    id = 0L,
    exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.Empty
  )
  sealed trait ExprKind extends _root_.scalapb.GeneratedOneof {
    def isEmpty: _root_.scala.Boolean = false
    def isDefined: _root_.scala.Boolean = true
    def isConstExpr: _root_.scala.Boolean = false
    def isIdentExpr: _root_.scala.Boolean = false
    def isSelectExpr: _root_.scala.Boolean = false
    def isCallExpr: _root_.scala.Boolean = false
    def isListExpr: _root_.scala.Boolean = false
    def isStructExpr: _root_.scala.Boolean = false
    def isComprehensionExpr: _root_.scala.Boolean = false
    def constExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Constant] = _root_.scala.None
    def identExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Ident] = _root_.scala.None
    def selectExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Select] = _root_.scala.None
    def callExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Call] = _root_.scala.None
    def listExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateList] = _root_.scala.None
    def structExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateStruct] = _root_.scala.None
    def comprehensionExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Comprehension] = _root_.scala.None
  }
  object ExprKind {
    @SerialVersionUID(0L)
    case object Empty extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = _root_.scala.Nothing
      override def isEmpty: _root_.scala.Boolean = true
      override def isDefined: _root_.scala.Boolean = false
      override def number: _root_.scala.Int = 0
      override def value: _root_.scala.Nothing = throw new java.util.NoSuchElementException("Empty.value")
    }
  
    @SerialVersionUID(0L)
    final case class ConstExpr(value: com.google.api.expr.v1alpha1.Constant) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Constant
      override def isConstExpr: _root_.scala.Boolean = true
      override def constExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Constant] = Some(value)
      override def number: _root_.scala.Int = 3
    }
    @SerialVersionUID(0L)
    final case class IdentExpr(value: com.google.api.expr.v1alpha1.Expr.Ident) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.Ident
      override def isIdentExpr: _root_.scala.Boolean = true
      override def identExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Ident] = Some(value)
      override def number: _root_.scala.Int = 4
    }
    @SerialVersionUID(0L)
    final case class SelectExpr(value: com.google.api.expr.v1alpha1.Expr.Select) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.Select
      override def isSelectExpr: _root_.scala.Boolean = true
      override def selectExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Select] = Some(value)
      override def number: _root_.scala.Int = 5
    }
    @SerialVersionUID(0L)
    final case class CallExpr(value: com.google.api.expr.v1alpha1.Expr.Call) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.Call
      override def isCallExpr: _root_.scala.Boolean = true
      override def callExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Call] = Some(value)
      override def number: _root_.scala.Int = 6
    }
    @SerialVersionUID(0L)
    final case class ListExpr(value: com.google.api.expr.v1alpha1.Expr.CreateList) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.CreateList
      override def isListExpr: _root_.scala.Boolean = true
      override def listExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateList] = Some(value)
      override def number: _root_.scala.Int = 7
    }
    @SerialVersionUID(0L)
    final case class StructExpr(value: com.google.api.expr.v1alpha1.Expr.CreateStruct) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.CreateStruct
      override def isStructExpr: _root_.scala.Boolean = true
      override def structExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.CreateStruct] = Some(value)
      override def number: _root_.scala.Int = 8
    }
    @SerialVersionUID(0L)
    final case class ComprehensionExpr(value: com.google.api.expr.v1alpha1.Expr.Comprehension) extends com.google.api.expr.v1alpha1.Expr.ExprKind {
      type ValueType = com.google.api.expr.v1alpha1.Expr.Comprehension
      override def isComprehensionExpr: _root_.scala.Boolean = true
      override def comprehensionExpr: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr.Comprehension] = Some(value)
      override def number: _root_.scala.Int = 9
    }
  }
  /** An identifier expression. e.g. `request`.
    *
    * @param name
    *   Required. Holds a single, unqualified identifier, possibly preceded by a
    *   '.'.
    *  
    *   Qualified names are represented by the [Expr.Select][google.api.expr.v1alpha1.Expr.Select] expression.
    */
  @SerialVersionUID(0L)
  final case class Ident(
      name: _root_.scala.Predef.String = "",
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Ident] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        
        {
          val __value = name
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(1, __value)
          }
        };
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        {
          val __v = name
          if (!__v.isEmpty) {
            _output__.writeString(1, __v)
          }
        };
        unknownFields.writeTo(_output__)
      }
      def withName(__v: _root_.scala.Predef.String): Ident = copy(name = __v)
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => {
            val __t = name
            if (__t != "") __t else null
          }
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => _root_.scalapb.descriptors.PString(name)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.Ident.type = com.google.api.expr.v1alpha1.Expr.Ident
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.Ident])
  }
  
  object Ident extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Ident] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Ident] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.Ident = {
      var __name: _root_.scala.Predef.String = ""
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __name = _input__.readStringRequireUtf8()
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.Ident(
          name = __name,
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.Ident] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.Ident(
          name = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).map(_.as[_root_.scala.Predef.String]).getOrElse("")
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(0)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(0)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = throw new MatchError(__number)
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.Ident(
      name = ""
    )
    implicit class IdentLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Ident]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.Ident](_l) {
      def name: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.name)((c_, f_) => c_.copy(name = f_))
    }
    final val NAME_FIELD_NUMBER = 1
    def of(
      name: _root_.scala.Predef.String
    ): _root_.com.google.api.expr.v1alpha1.Expr.Ident = _root_.com.google.api.expr.v1alpha1.Expr.Ident(
      name
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.Ident])
  }
  
  /** A field selection expression. e.g. `request.auth`.
    *
    * @param operand
    *   Required. The target of the selection expression.
    *  
    *   For example, in the select expression `request.auth`, the `request`
    *   portion of the expression is the `operand`.
    * @param field
    *   Required. The name of the field to select.
    *  
    *   For example, in the select expression `request.auth`, the `auth` portion
    *   of the expression would be the `field`.
    * @param testOnly
    *   Whether the select is to be interpreted as a field presence test.
    *  
    *   This results from the macro `has(request.auth)`.
    */
  @SerialVersionUID(0L)
  final case class Select(
      operand: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      field: _root_.scala.Predef.String = "",
      testOnly: _root_.scala.Boolean = false,
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Select] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        if (operand.isDefined) {
          val __value = operand.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        
        {
          val __value = field
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(2, __value)
          }
        };
        
        {
          val __value = testOnly
          if (__value != false) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeBoolSize(3, __value)
          }
        };
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        operand.foreach { __v =>
          val __m = __v
          _output__.writeTag(1, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        {
          val __v = field
          if (!__v.isEmpty) {
            _output__.writeString(2, __v)
          }
        };
        {
          val __v = testOnly
          if (__v != false) {
            _output__.writeBool(3, __v)
          }
        };
        unknownFields.writeTo(_output__)
      }
      def getOperand: com.google.api.expr.v1alpha1.Expr = operand.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearOperand: Select = copy(operand = _root_.scala.None)
      def withOperand(__v: com.google.api.expr.v1alpha1.Expr): Select = copy(operand = Option(__v))
      def withField(__v: _root_.scala.Predef.String): Select = copy(field = __v)
      def withTestOnly(__v: _root_.scala.Boolean): Select = copy(testOnly = __v)
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => operand.orNull
          case 2 => {
            val __t = field
            if (__t != "") __t else null
          }
          case 3 => {
            val __t = testOnly
            if (__t != false) __t else null
          }
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => operand.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 2 => _root_.scalapb.descriptors.PString(field)
          case 3 => _root_.scalapb.descriptors.PBoolean(testOnly)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.Select.type = com.google.api.expr.v1alpha1.Expr.Select
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.Select])
  }
  
  object Select extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Select] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Select] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.Select = {
      var __operand: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __field: _root_.scala.Predef.String = ""
      var __testOnly: _root_.scala.Boolean = false
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __operand = Option(__operand.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 18 =>
            __field = _input__.readStringRequireUtf8()
          case 24 =>
            __testOnly = _input__.readBool()
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.Select(
          operand = __operand,
          field = __field,
          testOnly = __testOnly,
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.Select] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.Select(
          operand = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          field = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).map(_.as[_root_.scala.Predef.String]).getOrElse(""),
          testOnly = __fieldsMap.get(scalaDescriptor.findFieldByNumber(3).get).map(_.as[_root_.scala.Boolean]).getOrElse(false)
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(1)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(1)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
      var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
      (__number: @_root_.scala.unchecked) match {
        case 1 => __out = com.google.api.expr.v1alpha1.Expr
      }
      __out
    }
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.Select(
      operand = _root_.scala.None,
      field = "",
      testOnly = false
    )
    implicit class SelectLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Select]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.Select](_l) {
      def operand: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getOperand)((c_, f_) => c_.copy(operand = Option(f_)))
      def optionalOperand: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.operand)((c_, f_) => c_.copy(operand = f_))
      def field: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.field)((c_, f_) => c_.copy(field = f_))
      def testOnly: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Boolean] = field(_.testOnly)((c_, f_) => c_.copy(testOnly = f_))
    }
    final val OPERAND_FIELD_NUMBER = 1
    final val FIELD_FIELD_NUMBER = 2
    final val TEST_ONLY_FIELD_NUMBER = 3
    def of(
      operand: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      field: _root_.scala.Predef.String,
      testOnly: _root_.scala.Boolean
    ): _root_.com.google.api.expr.v1alpha1.Expr.Select = _root_.com.google.api.expr.v1alpha1.Expr.Select(
      operand,
      field,
      testOnly
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.Select])
  }
  
  /** A call expression, including calls to predefined functions and operators.
    *
    * For example, `value == 10`, `size(map_value)`.
    *
    * @param target
    *   The target of an method call-style expression. For example, `x` in
    *   `x.f()`.
    * @param function
    *   Required. The name of the function or method being called.
    * @param args
    *   The arguments.
    */
  @SerialVersionUID(0L)
  final case class Call(
      target: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      function: _root_.scala.Predef.String = "",
      args: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr] = _root_.scala.Seq.empty,
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Call] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        if (target.isDefined) {
          val __value = target.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        
        {
          val __value = function
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(2, __value)
          }
        };
        args.foreach { __item =>
          val __value = __item
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        }
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        target.foreach { __v =>
          val __m = __v
          _output__.writeTag(1, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        {
          val __v = function
          if (!__v.isEmpty) {
            _output__.writeString(2, __v)
          }
        };
        args.foreach { __v =>
          val __m = __v
          _output__.writeTag(3, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        unknownFields.writeTo(_output__)
      }
      def getTarget: com.google.api.expr.v1alpha1.Expr = target.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearTarget: Call = copy(target = _root_.scala.None)
      def withTarget(__v: com.google.api.expr.v1alpha1.Expr): Call = copy(target = Option(__v))
      def withFunction(__v: _root_.scala.Predef.String): Call = copy(function = __v)
      def clearArgs = copy(args = _root_.scala.Seq.empty)
      def addArgs(__vs: com.google.api.expr.v1alpha1.Expr *): Call = addAllArgs(__vs)
      def addAllArgs(__vs: Iterable[com.google.api.expr.v1alpha1.Expr]): Call = copy(args = args ++ __vs)
      def withArgs(__v: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]): Call = copy(args = __v)
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => target.orNull
          case 2 => {
            val __t = function
            if (__t != "") __t else null
          }
          case 3 => args
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => target.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 2 => _root_.scalapb.descriptors.PString(function)
          case 3 => _root_.scalapb.descriptors.PRepeated(args.iterator.map(_.toPMessage).toVector)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.Call.type = com.google.api.expr.v1alpha1.Expr.Call
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.Call])
  }
  
  object Call extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Call] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Call] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.Call = {
      var __target: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __function: _root_.scala.Predef.String = ""
      val __args: _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr] = new _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr]
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __target = Option(__target.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 18 =>
            __function = _input__.readStringRequireUtf8()
          case 26 =>
            __args += _root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__)
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.Call(
          target = __target,
          function = __function,
          args = __args.result(),
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.Call] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.Call(
          target = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          function = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).map(_.as[_root_.scala.Predef.String]).getOrElse(""),
          args = __fieldsMap.get(scalaDescriptor.findFieldByNumber(3).get).map(_.as[_root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]]).getOrElse(_root_.scala.Seq.empty)
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(2)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(2)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
      var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
      (__number: @_root_.scala.unchecked) match {
        case 1 => __out = com.google.api.expr.v1alpha1.Expr
        case 3 => __out = com.google.api.expr.v1alpha1.Expr
      }
      __out
    }
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.Call(
      target = _root_.scala.None,
      function = "",
      args = _root_.scala.Seq.empty
    )
    implicit class CallLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Call]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.Call](_l) {
      def target: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getTarget)((c_, f_) => c_.copy(target = Option(f_)))
      def optionalTarget: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.target)((c_, f_) => c_.copy(target = f_))
      def function: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.function)((c_, f_) => c_.copy(function = f_))
      def args: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]] = field(_.args)((c_, f_) => c_.copy(args = f_))
    }
    final val TARGET_FIELD_NUMBER = 1
    final val FUNCTION_FIELD_NUMBER = 2
    final val ARGS_FIELD_NUMBER = 3
    def of(
      target: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      function: _root_.scala.Predef.String,
      args: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]
    ): _root_.com.google.api.expr.v1alpha1.Expr.Call = _root_.com.google.api.expr.v1alpha1.Expr.Call(
      target,
      function,
      args
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.Call])
  }
  
  /** A list creation expression.
    *
    * Lists may either be homogenous, e.g. `[1, 2, 3]`, or heterogenous, e.g.
    * `dyn([1, 'hello', 2.0])`
    *
    * @param elements
    *   The elements part of the list.
    */
  @SerialVersionUID(0L)
  final case class CreateList(
      elements: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr] = _root_.scala.Seq.empty,
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[CreateList] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        elements.foreach { __item =>
          val __value = __item
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        }
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        elements.foreach { __v =>
          val __m = __v
          _output__.writeTag(1, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        unknownFields.writeTo(_output__)
      }
      def clearElements = copy(elements = _root_.scala.Seq.empty)
      def addElements(__vs: com.google.api.expr.v1alpha1.Expr *): CreateList = addAllElements(__vs)
      def addAllElements(__vs: Iterable[com.google.api.expr.v1alpha1.Expr]): CreateList = copy(elements = elements ++ __vs)
      def withElements(__v: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]): CreateList = copy(elements = __v)
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => elements
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => _root_.scalapb.descriptors.PRepeated(elements.iterator.map(_.toPMessage).toVector)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.CreateList.type = com.google.api.expr.v1alpha1.Expr.CreateList
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.CreateList])
  }
  
  object CreateList extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateList] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateList] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.CreateList = {
      val __elements: _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr] = new _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr]
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __elements += _root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__)
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.CreateList(
          elements = __elements.result(),
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.CreateList] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.CreateList(
          elements = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).map(_.as[_root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]]).getOrElse(_root_.scala.Seq.empty)
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(3)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(3)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
      var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
      (__number: @_root_.scala.unchecked) match {
        case 1 => __out = com.google.api.expr.v1alpha1.Expr
      }
      __out
    }
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.CreateList(
      elements = _root_.scala.Seq.empty
    )
    implicit class CreateListLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateList]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateList](_l) {
      def elements: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]] = field(_.elements)((c_, f_) => c_.copy(elements = f_))
    }
    final val ELEMENTS_FIELD_NUMBER = 1
    def of(
      elements: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr]
    ): _root_.com.google.api.expr.v1alpha1.Expr.CreateList = _root_.com.google.api.expr.v1alpha1.Expr.CreateList(
      elements
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.CreateList])
  }
  
  /** A map or message creation expression.
    *
    * Maps are constructed as `{'key_name': 'value'}`. Message construction is
    * similar, but prefixed with a type name and composed of field ids:
    * `types.MyType{field_id: 'value'}`.
    *
    * @param messageName
    *   The type name of the message to be created, empty when creating map
    *   literals.
    * @param entries
    *   The entries in the creation expression.
    */
  @SerialVersionUID(0L)
  final case class CreateStruct(
      messageName: _root_.scala.Predef.String = "",
      entries: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry] = _root_.scala.Seq.empty,
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[CreateStruct] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        
        {
          val __value = messageName
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(1, __value)
          }
        };
        entries.foreach { __item =>
          val __value = __item
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        }
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        {
          val __v = messageName
          if (!__v.isEmpty) {
            _output__.writeString(1, __v)
          }
        };
        entries.foreach { __v =>
          val __m = __v
          _output__.writeTag(2, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        unknownFields.writeTo(_output__)
      }
      def withMessageName(__v: _root_.scala.Predef.String): CreateStruct = copy(messageName = __v)
      def clearEntries = copy(entries = _root_.scala.Seq.empty)
      def addEntries(__vs: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry *): CreateStruct = addAllEntries(__vs)
      def addAllEntries(__vs: Iterable[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]): CreateStruct = copy(entries = entries ++ __vs)
      def withEntries(__v: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]): CreateStruct = copy(entries = __v)
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => {
            val __t = messageName
            if (__t != "") __t else null
          }
          case 2 => entries
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => _root_.scalapb.descriptors.PString(messageName)
          case 2 => _root_.scalapb.descriptors.PRepeated(entries.iterator.map(_.toPMessage).toVector)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.CreateStruct.type = com.google.api.expr.v1alpha1.Expr.CreateStruct
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.CreateStruct])
  }
  
  object CreateStruct extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateStruct] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateStruct] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.CreateStruct = {
      var __messageName: _root_.scala.Predef.String = ""
      val __entries: _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry] = new _root_.scala.collection.immutable.VectorBuilder[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __messageName = _input__.readStringRequireUtf8()
          case 18 =>
            __entries += _root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry](_input__)
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.CreateStruct(
          messageName = __messageName,
          entries = __entries.result(),
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.CreateStruct] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.CreateStruct(
          messageName = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).map(_.as[_root_.scala.Predef.String]).getOrElse(""),
          entries = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).map(_.as[_root_.scala.Seq[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]]).getOrElse(_root_.scala.Seq.empty)
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(4)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(4)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
      var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
      (__number: @_root_.scala.unchecked) match {
        case 2 => __out = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry
      }
      __out
    }
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] =
      Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]](
        _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry
      )
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.CreateStruct(
      messageName = "",
      entries = _root_.scala.Seq.empty
    )
    /** Represents an entry.
      *
      * @param id
      *   Required. An id assigned to this node by the parser which is unique
      *   in a given expression tree. This is used to associate type
      *   information and other attributes to the node.
      * @param value
      *   Required. The value assigned to the key.
      */
    @SerialVersionUID(0L)
    final case class Entry(
        id: _root_.scala.Long = 0L,
        keyKind: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.Empty,
        value: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
        unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
        ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Entry] {
        @transient
        private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
        private[this] def __computeSerializedSize(): _root_.scala.Int = {
          var __size = 0
          
          {
            val __value = id
            if (__value != 0L) {
              __size += _root_.com.google.protobuf.CodedOutputStream.computeInt64Size(1, __value)
            }
          };
          if (keyKind.fieldKey.isDefined) {
            val __value = keyKind.fieldKey.get
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(2, __value)
          };
          if (keyKind.mapKey.isDefined) {
            val __value = keyKind.mapKey.get
            __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
          };
          if (value.isDefined) {
            val __value = value.get
            __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
          };
          __size += unknownFields.serializedSize
          __size
        }
        override def serializedSize: _root_.scala.Int = {
          var __size = __serializedSizeMemoized
          if (__size == 0) {
            __size = __computeSerializedSize() + 1
            __serializedSizeMemoized = __size
          }
          __size - 1
          
        }
        def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
          {
            val __v = id
            if (__v != 0L) {
              _output__.writeInt64(1, __v)
            }
          };
          keyKind.fieldKey.foreach { __v =>
            val __m = __v
            _output__.writeString(2, __m)
          };
          keyKind.mapKey.foreach { __v =>
            val __m = __v
            _output__.writeTag(3, 2)
            _output__.writeUInt32NoTag(__m.serializedSize)
            __m.writeTo(_output__)
          };
          value.foreach { __v =>
            val __m = __v
            _output__.writeTag(4, 2)
            _output__.writeUInt32NoTag(__m.serializedSize)
            __m.writeTo(_output__)
          };
          unknownFields.writeTo(_output__)
        }
        def withId(__v: _root_.scala.Long): Entry = copy(id = __v)
        def getFieldKey: _root_.scala.Predef.String = keyKind.fieldKey.getOrElse("")
        def withFieldKey(__v: _root_.scala.Predef.String): Entry = copy(keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.FieldKey(__v))
        def getMapKey: com.google.api.expr.v1alpha1.Expr = keyKind.mapKey.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
        def withMapKey(__v: com.google.api.expr.v1alpha1.Expr): Entry = copy(keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.MapKey(__v))
        def getValue: com.google.api.expr.v1alpha1.Expr = value.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
        def clearValue: Entry = copy(value = _root_.scala.None)
        def withValue(__v: com.google.api.expr.v1alpha1.Expr): Entry = copy(value = Option(__v))
        def clearKeyKind: Entry = copy(keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.Empty)
        def withKeyKind(__v: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind): Entry = copy(keyKind = __v)
        def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
        def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
        def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
          (__fieldNumber: @_root_.scala.unchecked) match {
            case 1 => {
              val __t = id
              if (__t != 0L) __t else null
            }
            case 2 => keyKind.fieldKey.orNull
            case 3 => keyKind.mapKey.orNull
            case 4 => value.orNull
          }
        }
        def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
          _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
          (__field.number: @_root_.scala.unchecked) match {
            case 1 => _root_.scalapb.descriptors.PLong(id)
            case 2 => keyKind.fieldKey.map(_root_.scalapb.descriptors.PString(_)).getOrElse(_root_.scalapb.descriptors.PEmpty)
            case 3 => keyKind.mapKey.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
            case 4 => value.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          }
        }
        def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
        def companion: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.type = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry
        // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.CreateStruct.Entry])
    }
    
    object Entry extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry] {
      implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry] = this
      def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry = {
        var __id: _root_.scala.Long = 0L
        var __value: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
        var __keyKind: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.Empty
        var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
        var _done__ = false
        while (!_done__) {
          val _tag__ = _input__.readTag()
          _tag__ match {
            case 0 => _done__ = true
            case 8 =>
              __id = _input__.readInt64()
            case 18 =>
              __keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.FieldKey(_input__.readStringRequireUtf8())
            case 26 =>
              __keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.MapKey(__keyKind.mapKey.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
            case 34 =>
              __value = Option(__value.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
            case tag =>
              if (_unknownFields__ == null) {
                _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
              }
              _unknownFields__.parseField(tag, _input__)
          }
        }
        com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry(
            id = __id,
            value = __value,
            keyKind = __keyKind,
            unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
        )
      }
      implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry] = _root_.scalapb.descriptors.Reads{
        case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
          _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
          com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry(
            id = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).map(_.as[_root_.scala.Long]).getOrElse(0L),
            value = __fieldsMap.get(scalaDescriptor.findFieldByNumber(4).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
            keyKind = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).flatMap(_.as[_root_.scala.Option[_root_.scala.Predef.String]]).map(com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.FieldKey(_))
                .orElse[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind](__fieldsMap.get(scalaDescriptor.findFieldByNumber(3).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]).map(com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.MapKey(_)))
                .getOrElse(com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.Empty)
          )
        case _ => throw new RuntimeException("Expected PMessage")
      }
      def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.CreateStruct.javaDescriptor.getNestedTypes().get(0)
      def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.CreateStruct.scalaDescriptor.nestedMessages(0)
      def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
        var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
        (__number: @_root_.scala.unchecked) match {
          case 3 => __out = com.google.api.expr.v1alpha1.Expr
          case 4 => __out = com.google.api.expr.v1alpha1.Expr
        }
        __out
      }
      lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
      def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
      lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry(
        id = 0L,
        value = _root_.scala.None,
        keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.Empty
      )
      sealed trait KeyKind extends _root_.scalapb.GeneratedOneof {
        def isEmpty: _root_.scala.Boolean = false
        def isDefined: _root_.scala.Boolean = true
        def isFieldKey: _root_.scala.Boolean = false
        def isMapKey: _root_.scala.Boolean = false
        def fieldKey: _root_.scala.Option[_root_.scala.Predef.String] = _root_.scala.None
        def mapKey: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      }
      object KeyKind {
        @SerialVersionUID(0L)
        case object Empty extends com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind {
          type ValueType = _root_.scala.Nothing
          override def isEmpty: _root_.scala.Boolean = true
          override def isDefined: _root_.scala.Boolean = false
          override def number: _root_.scala.Int = 0
          override def value: _root_.scala.Nothing = throw new java.util.NoSuchElementException("Empty.value")
        }
      
        @SerialVersionUID(0L)
        final case class FieldKey(value: _root_.scala.Predef.String) extends com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind {
          type ValueType = _root_.scala.Predef.String
          override def isFieldKey: _root_.scala.Boolean = true
          override def fieldKey: _root_.scala.Option[_root_.scala.Predef.String] = Some(value)
          override def number: _root_.scala.Int = 2
        }
        @SerialVersionUID(0L)
        final case class MapKey(value: com.google.api.expr.v1alpha1.Expr) extends com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind {
          type ValueType = com.google.api.expr.v1alpha1.Expr
          override def isMapKey: _root_.scala.Boolean = true
          override def mapKey: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = Some(value)
          override def number: _root_.scala.Int = 3
        }
      }
      implicit class EntryLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry](_l) {
        def id: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Long] = field(_.id)((c_, f_) => c_.copy(id = f_))
        def fieldKey: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.getFieldKey)((c_, f_) => c_.copy(keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.FieldKey(f_)))
        def mapKey: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getMapKey)((c_, f_) => c_.copy(keyKind = com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind.MapKey(f_)))
        def value: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getValue)((c_, f_) => c_.copy(value = Option(f_)))
        def optionalValue: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.value)((c_, f_) => c_.copy(value = f_))
        def keyKind: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind] = field(_.keyKind)((c_, f_) => c_.copy(keyKind = f_))
      }
      final val ID_FIELD_NUMBER = 1
      final val FIELD_KEY_FIELD_NUMBER = 2
      final val MAP_KEY_FIELD_NUMBER = 3
      final val VALUE_FIELD_NUMBER = 4
      def of(
        id: _root_.scala.Long,
        keyKind: com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry.KeyKind,
        value: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]
      ): _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry = _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry(
        id,
        keyKind,
        value
      )
      // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.CreateStruct.Entry])
    }
    
    implicit class CreateStructLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct](_l) {
      def messageName: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.messageName)((c_, f_) => c_.copy(messageName = f_))
      def entries: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]] = field(_.entries)((c_, f_) => c_.copy(entries = f_))
    }
    final val MESSAGE_NAME_FIELD_NUMBER = 1
    final val ENTRIES_FIELD_NUMBER = 2
    def of(
      messageName: _root_.scala.Predef.String,
      entries: _root_.scala.Seq[com.google.api.expr.v1alpha1.Expr.CreateStruct.Entry]
    ): _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct = _root_.com.google.api.expr.v1alpha1.Expr.CreateStruct(
      messageName,
      entries
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.CreateStruct])
  }
  
  /** A comprehension expression applied to a list or map.
    *
    * Comprehensions are not part of the core syntax, but enabled with macros.
    * A macro matches a specific call signature within a parsed AST and replaces
    * the call with an alternate AST block. Macro expansion happens at parse
    * time.
    *
    * The following macros are supported within CEL:
    *
    * Aggregate type macros may be applied to all elements in a list or all keys
    * in a map:
    *
    * *  `all`, `exists`, `exists_one` -  test a predicate expression against
    *    the inputs and return `true` if the predicate is satisfied for all,
    *    any, or only one value `list.all(x, x < 10)`.
    * *  `filter` - test a predicate expression against the inputs and return
    *    the subset of elements which satisfy the predicate:
    *    `payments.filter(p, p > 1000)`.
    * *  `map` - apply an expression to all elements in the input and return the
    *    output aggregate type: `[1, 2, 3].map(i, i * i)`.
    *
    * The `has(m.x)` macro tests whether the property `x` is present in struct
    * `m`. The semantics of this macro depend on the type of `m`. For proto2
    * messages `has(m.x)` is defined as 'defined, but not set`. For proto3, the
    * macro tests whether the property is set to its default. For map and struct
    * types, the macro tests whether the property `x` is defined on `m`.
    *
    * @param iterVar
    *   The name of the iteration variable.
    * @param iterRange
    *   The range over which var iterates.
    * @param accuVar
    *   The name of the variable used for accumulation of the result.
    * @param accuInit
    *   The initial value of the accumulator.
    * @param loopCondition
    *   An expression which can contain iter_var and accu_var.
    *  
    *   Returns false when the result has been computed and may be used as
    *   a hint to short-circuit the remainder of the comprehension.
    * @param loopStep
    *   An expression which can contain iter_var and accu_var.
    *  
    *   Computes the next value of accu_var.
    * @param result
    *   An expression which can contain accu_var.
    *  
    *   Computes the result.
    */
  @SerialVersionUID(0L)
  final case class Comprehension(
      iterVar: _root_.scala.Predef.String = "",
      iterRange: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      accuVar: _root_.scala.Predef.String = "",
      accuInit: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      loopCondition: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      loopStep: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      result: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None,
      unknownFields: _root_.scalapb.UnknownFieldSet = _root_.scalapb.UnknownFieldSet.empty
      ) extends scalapb.GeneratedMessage with scalapb.lenses.Updatable[Comprehension] {
      @transient
      private[this] var __serializedSizeMemoized: _root_.scala.Int = 0
      private[this] def __computeSerializedSize(): _root_.scala.Int = {
        var __size = 0
        
        {
          val __value = iterVar
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(1, __value)
          }
        };
        if (iterRange.isDefined) {
          val __value = iterRange.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        
        {
          val __value = accuVar
          if (!__value.isEmpty) {
            __size += _root_.com.google.protobuf.CodedOutputStream.computeStringSize(3, __value)
          }
        };
        if (accuInit.isDefined) {
          val __value = accuInit.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        if (loopCondition.isDefined) {
          val __value = loopCondition.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        if (loopStep.isDefined) {
          val __value = loopStep.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        if (result.isDefined) {
          val __value = result.get
          __size += 1 + _root_.com.google.protobuf.CodedOutputStream.computeUInt32SizeNoTag(__value.serializedSize) + __value.serializedSize
        };
        __size += unknownFields.serializedSize
        __size
      }
      override def serializedSize: _root_.scala.Int = {
        var __size = __serializedSizeMemoized
        if (__size == 0) {
          __size = __computeSerializedSize() + 1
          __serializedSizeMemoized = __size
        }
        __size - 1
        
      }
      def writeTo(`_output__`: _root_.com.google.protobuf.CodedOutputStream): _root_.scala.Unit = {
        {
          val __v = iterVar
          if (!__v.isEmpty) {
            _output__.writeString(1, __v)
          }
        };
        iterRange.foreach { __v =>
          val __m = __v
          _output__.writeTag(2, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        {
          val __v = accuVar
          if (!__v.isEmpty) {
            _output__.writeString(3, __v)
          }
        };
        accuInit.foreach { __v =>
          val __m = __v
          _output__.writeTag(4, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        loopCondition.foreach { __v =>
          val __m = __v
          _output__.writeTag(5, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        loopStep.foreach { __v =>
          val __m = __v
          _output__.writeTag(6, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        result.foreach { __v =>
          val __m = __v
          _output__.writeTag(7, 2)
          _output__.writeUInt32NoTag(__m.serializedSize)
          __m.writeTo(_output__)
        };
        unknownFields.writeTo(_output__)
      }
      def withIterVar(__v: _root_.scala.Predef.String): Comprehension = copy(iterVar = __v)
      def getIterRange: com.google.api.expr.v1alpha1.Expr = iterRange.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearIterRange: Comprehension = copy(iterRange = _root_.scala.None)
      def withIterRange(__v: com.google.api.expr.v1alpha1.Expr): Comprehension = copy(iterRange = Option(__v))
      def withAccuVar(__v: _root_.scala.Predef.String): Comprehension = copy(accuVar = __v)
      def getAccuInit: com.google.api.expr.v1alpha1.Expr = accuInit.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearAccuInit: Comprehension = copy(accuInit = _root_.scala.None)
      def withAccuInit(__v: com.google.api.expr.v1alpha1.Expr): Comprehension = copy(accuInit = Option(__v))
      def getLoopCondition: com.google.api.expr.v1alpha1.Expr = loopCondition.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearLoopCondition: Comprehension = copy(loopCondition = _root_.scala.None)
      def withLoopCondition(__v: com.google.api.expr.v1alpha1.Expr): Comprehension = copy(loopCondition = Option(__v))
      def getLoopStep: com.google.api.expr.v1alpha1.Expr = loopStep.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearLoopStep: Comprehension = copy(loopStep = _root_.scala.None)
      def withLoopStep(__v: com.google.api.expr.v1alpha1.Expr): Comprehension = copy(loopStep = Option(__v))
      def getResult: com.google.api.expr.v1alpha1.Expr = result.getOrElse(com.google.api.expr.v1alpha1.Expr.defaultInstance)
      def clearResult: Comprehension = copy(result = _root_.scala.None)
      def withResult(__v: com.google.api.expr.v1alpha1.Expr): Comprehension = copy(result = Option(__v))
      def withUnknownFields(__v: _root_.scalapb.UnknownFieldSet) = copy(unknownFields = __v)
      def discardUnknownFields = copy(unknownFields = _root_.scalapb.UnknownFieldSet.empty)
      def getFieldByNumber(__fieldNumber: _root_.scala.Int): _root_.scala.Any = {
        (__fieldNumber: @_root_.scala.unchecked) match {
          case 1 => {
            val __t = iterVar
            if (__t != "") __t else null
          }
          case 2 => iterRange.orNull
          case 3 => {
            val __t = accuVar
            if (__t != "") __t else null
          }
          case 4 => accuInit.orNull
          case 5 => loopCondition.orNull
          case 6 => loopStep.orNull
          case 7 => result.orNull
        }
      }
      def getField(__field: _root_.scalapb.descriptors.FieldDescriptor): _root_.scalapb.descriptors.PValue = {
        _root_.scala.Predef.require(__field.containingMessage eq companion.scalaDescriptor)
        (__field.number: @_root_.scala.unchecked) match {
          case 1 => _root_.scalapb.descriptors.PString(iterVar)
          case 2 => iterRange.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 3 => _root_.scalapb.descriptors.PString(accuVar)
          case 4 => accuInit.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 5 => loopCondition.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 6 => loopStep.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
          case 7 => result.map(_.toPMessage).getOrElse(_root_.scalapb.descriptors.PEmpty)
        }
      }
      def toProtoString: _root_.scala.Predef.String = _root_.scalapb.TextFormat.printToUnicodeString(this)
      def companion: com.google.api.expr.v1alpha1.Expr.Comprehension.type = com.google.api.expr.v1alpha1.Expr.Comprehension
      // @@protoc_insertion_point(GeneratedMessage[google.api.expr.v1alpha1.Expr.Comprehension])
  }
  
  object Comprehension extends scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Comprehension] {
    implicit def messageCompanion: scalapb.GeneratedMessageCompanion[com.google.api.expr.v1alpha1.Expr.Comprehension] = this
    def parseFrom(`_input__`: _root_.com.google.protobuf.CodedInputStream): com.google.api.expr.v1alpha1.Expr.Comprehension = {
      var __iterVar: _root_.scala.Predef.String = ""
      var __iterRange: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __accuVar: _root_.scala.Predef.String = ""
      var __accuInit: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __loopCondition: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __loopStep: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var __result: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr] = _root_.scala.None
      var `_unknownFields__`: _root_.scalapb.UnknownFieldSet.Builder = null
      var _done__ = false
      while (!_done__) {
        val _tag__ = _input__.readTag()
        _tag__ match {
          case 0 => _done__ = true
          case 10 =>
            __iterVar = _input__.readStringRequireUtf8()
          case 18 =>
            __iterRange = Option(__iterRange.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 26 =>
            __accuVar = _input__.readStringRequireUtf8()
          case 34 =>
            __accuInit = Option(__accuInit.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 42 =>
            __loopCondition = Option(__loopCondition.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 50 =>
            __loopStep = Option(__loopStep.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case 58 =>
            __result = Option(__result.fold(_root_.scalapb.LiteParser.readMessage[com.google.api.expr.v1alpha1.Expr](_input__))(_root_.scalapb.LiteParser.readMessage(_input__, _)))
          case tag =>
            if (_unknownFields__ == null) {
              _unknownFields__ = new _root_.scalapb.UnknownFieldSet.Builder()
            }
            _unknownFields__.parseField(tag, _input__)
        }
      }
      com.google.api.expr.v1alpha1.Expr.Comprehension(
          iterVar = __iterVar,
          iterRange = __iterRange,
          accuVar = __accuVar,
          accuInit = __accuInit,
          loopCondition = __loopCondition,
          loopStep = __loopStep,
          result = __result,
          unknownFields = if (_unknownFields__ == null) _root_.scalapb.UnknownFieldSet.empty else _unknownFields__.result()
      )
    }
    implicit def messageReads: _root_.scalapb.descriptors.Reads[com.google.api.expr.v1alpha1.Expr.Comprehension] = _root_.scalapb.descriptors.Reads{
      case _root_.scalapb.descriptors.PMessage(__fieldsMap) =>
        _root_.scala.Predef.require(__fieldsMap.keys.forall(_.containingMessage eq scalaDescriptor), "FieldDescriptor does not match message type.")
        com.google.api.expr.v1alpha1.Expr.Comprehension(
          iterVar = __fieldsMap.get(scalaDescriptor.findFieldByNumber(1).get).map(_.as[_root_.scala.Predef.String]).getOrElse(""),
          iterRange = __fieldsMap.get(scalaDescriptor.findFieldByNumber(2).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          accuVar = __fieldsMap.get(scalaDescriptor.findFieldByNumber(3).get).map(_.as[_root_.scala.Predef.String]).getOrElse(""),
          accuInit = __fieldsMap.get(scalaDescriptor.findFieldByNumber(4).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          loopCondition = __fieldsMap.get(scalaDescriptor.findFieldByNumber(5).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          loopStep = __fieldsMap.get(scalaDescriptor.findFieldByNumber(6).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]]),
          result = __fieldsMap.get(scalaDescriptor.findFieldByNumber(7).get).flatMap(_.as[_root_.scala.Option[com.google.api.expr.v1alpha1.Expr]])
        )
      case _ => throw new RuntimeException("Expected PMessage")
    }
    def javaDescriptor: _root_.com.google.protobuf.Descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.javaDescriptor.getNestedTypes().get(5)
    def scalaDescriptor: _root_.scalapb.descriptors.Descriptor = com.google.api.expr.v1alpha1.Expr.scalaDescriptor.nestedMessages(5)
    def messageCompanionForFieldNumber(__number: _root_.scala.Int): _root_.scalapb.GeneratedMessageCompanion[_] = {
      var __out: _root_.scalapb.GeneratedMessageCompanion[_] = null
      (__number: @_root_.scala.unchecked) match {
        case 2 => __out = com.google.api.expr.v1alpha1.Expr
        case 4 => __out = com.google.api.expr.v1alpha1.Expr
        case 5 => __out = com.google.api.expr.v1alpha1.Expr
        case 6 => __out = com.google.api.expr.v1alpha1.Expr
        case 7 => __out = com.google.api.expr.v1alpha1.Expr
      }
      __out
    }
    lazy val nestedMessagesCompanions: Seq[_root_.scalapb.GeneratedMessageCompanion[_ <: _root_.scalapb.GeneratedMessage]] = Seq.empty
    def enumCompanionForFieldNumber(__fieldNumber: _root_.scala.Int): _root_.scalapb.GeneratedEnumCompanion[_] = throw new MatchError(__fieldNumber)
    lazy val defaultInstance = com.google.api.expr.v1alpha1.Expr.Comprehension(
      iterVar = "",
      iterRange = _root_.scala.None,
      accuVar = "",
      accuInit = _root_.scala.None,
      loopCondition = _root_.scala.None,
      loopStep = _root_.scala.None,
      result = _root_.scala.None
    )
    implicit class ComprehensionLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Comprehension]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr.Comprehension](_l) {
      def iterVar: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.iterVar)((c_, f_) => c_.copy(iterVar = f_))
      def iterRange: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getIterRange)((c_, f_) => c_.copy(iterRange = Option(f_)))
      def optionalIterRange: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.iterRange)((c_, f_) => c_.copy(iterRange = f_))
      def accuVar: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Predef.String] = field(_.accuVar)((c_, f_) => c_.copy(accuVar = f_))
      def accuInit: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getAccuInit)((c_, f_) => c_.copy(accuInit = Option(f_)))
      def optionalAccuInit: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.accuInit)((c_, f_) => c_.copy(accuInit = f_))
      def loopCondition: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getLoopCondition)((c_, f_) => c_.copy(loopCondition = Option(f_)))
      def optionalLoopCondition: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.loopCondition)((c_, f_) => c_.copy(loopCondition = f_))
      def loopStep: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getLoopStep)((c_, f_) => c_.copy(loopStep = Option(f_)))
      def optionalLoopStep: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.loopStep)((c_, f_) => c_.copy(loopStep = f_))
      def result: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr] = field(_.getResult)((c_, f_) => c_.copy(result = Option(f_)))
      def optionalResult: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]] = field(_.result)((c_, f_) => c_.copy(result = f_))
    }
    final val ITER_VAR_FIELD_NUMBER = 1
    final val ITER_RANGE_FIELD_NUMBER = 2
    final val ACCU_VAR_FIELD_NUMBER = 3
    final val ACCU_INIT_FIELD_NUMBER = 4
    final val LOOP_CONDITION_FIELD_NUMBER = 5
    final val LOOP_STEP_FIELD_NUMBER = 6
    final val RESULT_FIELD_NUMBER = 7
    def of(
      iterVar: _root_.scala.Predef.String,
      iterRange: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      accuVar: _root_.scala.Predef.String,
      accuInit: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      loopCondition: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      loopStep: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr],
      result: _root_.scala.Option[com.google.api.expr.v1alpha1.Expr]
    ): _root_.com.google.api.expr.v1alpha1.Expr.Comprehension = _root_.com.google.api.expr.v1alpha1.Expr.Comprehension(
      iterVar,
      iterRange,
      accuVar,
      accuInit,
      loopCondition,
      loopStep,
      result
    )
    // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr.Comprehension])
  }
  
  implicit class ExprLens[UpperPB](_l: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr]) extends _root_.scalapb.lenses.ObjectLens[UpperPB, com.google.api.expr.v1alpha1.Expr](_l) {
    def id: _root_.scalapb.lenses.Lens[UpperPB, _root_.scala.Long] = field(_.id)((c_, f_) => c_.copy(id = f_))
    def constExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Constant] = field(_.getConstExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ConstExpr(f_)))
    def identExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Ident] = field(_.getIdentExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.IdentExpr(f_)))
    def selectExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Select] = field(_.getSelectExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.SelectExpr(f_)))
    def callExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Call] = field(_.getCallExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.CallExpr(f_)))
    def listExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateList] = field(_.getListExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ListExpr(f_)))
    def structExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.CreateStruct] = field(_.getStructExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.StructExpr(f_)))
    def comprehensionExpr: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.Comprehension] = field(_.getComprehensionExpr)((c_, f_) => c_.copy(exprKind = com.google.api.expr.v1alpha1.Expr.ExprKind.ComprehensionExpr(f_)))
    def exprKind: _root_.scalapb.lenses.Lens[UpperPB, com.google.api.expr.v1alpha1.Expr.ExprKind] = field(_.exprKind)((c_, f_) => c_.copy(exprKind = f_))
  }
  final val ID_FIELD_NUMBER = 2
  final val CONST_EXPR_FIELD_NUMBER = 3
  final val IDENT_EXPR_FIELD_NUMBER = 4
  final val SELECT_EXPR_FIELD_NUMBER = 5
  final val CALL_EXPR_FIELD_NUMBER = 6
  final val LIST_EXPR_FIELD_NUMBER = 7
  final val STRUCT_EXPR_FIELD_NUMBER = 8
  final val COMPREHENSION_EXPR_FIELD_NUMBER = 9
  def of(
    id: _root_.scala.Long,
    exprKind: com.google.api.expr.v1alpha1.Expr.ExprKind
  ): _root_.com.google.api.expr.v1alpha1.Expr = _root_.com.google.api.expr.v1alpha1.Expr(
    id,
    exprKind
  )
  // @@protoc_insertion_point(GeneratedMessageCompanion[google.api.expr.v1alpha1.Expr])
}




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