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The SDK of JAVA language for Zuora pricing system
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/*
 * Zuora API Reference
 * REST API reference for the Zuora Billing, Payments, and Central Platform! Check out the [REST API Overview](https://www.zuora.com/developer/api-references/api/overview/).
 *
 * The version of the OpenAPI document: 2024-05-20
 * Contact: [email protected]
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */


package com.zuora.model;

import java.util.Objects;
import com.google.gson.TypeAdapter;
import com.google.gson.annotations.JsonAdapter;
import com.google.gson.annotations.SerializedName;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import com.zuora.model.PaymentMethodMandateInfoMandateStatus;
import com.zuora.model.StoredCredentialProfileAction;
import com.zuora.model.StoredCredentialProfileConsentAgreementSrc;
import java.io.IOException;
import java.time.LocalDate;
import java.util.Arrays;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.zuora.JSON;

/**
 * The mandate information for the Credit Card, Apple Pay, Google Pay, Credit Card Reference Transaction, ACH, or Bank Transfer payment method.  The following mandate fields are common to all supported payment methods: * `mandateId` * `mandateReason` * `mandateStatus`  The following mandate fields are specific to the ACH and Bank Transfer payment methods: * `mandateReceivedStatus` * `existingMandateStatus` * `mandateCreationDate` * `mandateUpdateDate`  The following mandate fields are specific to the Credit Card, Apple Pay, and Google Pay payment methods: * `mitTransactionId` * `mitProfileAgreedOn` * `mitConsentAgreementRef` * `mitConsentAgreementSrc` * `mitProfileType` * `mitProfileAction` 
 */
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.6.0")
public class PaymentMethodResponseMandateInfo {
  public static final String SERIALIZED_NAME_EXISTING_MANDATE_STATUS = "existingMandateStatus";
  @SerializedName(SERIALIZED_NAME_EXISTING_MANDATE_STATUS)
  private PaymentMethodMandateInfoMandateStatus existingMandateStatus;

  public static final String SERIALIZED_NAME_MANDATE_CREATION_DATE = "mandateCreationDate";
  @SerializedName(SERIALIZED_NAME_MANDATE_CREATION_DATE)
  private LocalDate mandateCreationDate;

  public static final String SERIALIZED_NAME_MANDATE_ID = "mandateId";
  @SerializedName(SERIALIZED_NAME_MANDATE_ID)
  private String mandateId;

  public static final String SERIALIZED_NAME_MANDATE_REASON = "mandateReason";
  @SerializedName(SERIALIZED_NAME_MANDATE_REASON)
  private String mandateReason;

  public static final String SERIALIZED_NAME_MANDATE_RECEIVED_STATUS = "mandateReceivedStatus";
  @SerializedName(SERIALIZED_NAME_MANDATE_RECEIVED_STATUS)
  private PaymentMethodMandateInfoMandateStatus mandateReceivedStatus;

  public static final String SERIALIZED_NAME_MANDATE_STATUS = "mandateStatus";
  @SerializedName(SERIALIZED_NAME_MANDATE_STATUS)
  private String mandateStatus;

  public static final String SERIALIZED_NAME_MANDATE_UPDATE_DATE = "mandateUpdateDate";
  @SerializedName(SERIALIZED_NAME_MANDATE_UPDATE_DATE)
  private LocalDate mandateUpdateDate;

  public static final String SERIALIZED_NAME_MIT_CONSENT_AGREEMENT_REF = "mitConsentAgreementRef";
  @SerializedName(SERIALIZED_NAME_MIT_CONSENT_AGREEMENT_REF)
  private String mitConsentAgreementRef;

  public static final String SERIALIZED_NAME_MIT_CONSENT_AGREEMENT_SRC = "mitConsentAgreementSrc";
  @SerializedName(SERIALIZED_NAME_MIT_CONSENT_AGREEMENT_SRC)
  private StoredCredentialProfileConsentAgreementSrc mitConsentAgreementSrc;

  public static final String SERIALIZED_NAME_MIT_PROFILE_ACTION = "mitProfileAction";
  @SerializedName(SERIALIZED_NAME_MIT_PROFILE_ACTION)
  private StoredCredentialProfileAction mitProfileAction;

  public static final String SERIALIZED_NAME_MIT_PROFILE_AGREED_ON = "mitProfileAgreedOn";
  @SerializedName(SERIALIZED_NAME_MIT_PROFILE_AGREED_ON)
  private LocalDate mitProfileAgreedOn;

  public static final String SERIALIZED_NAME_MIT_PROFILE_TYPE = "mitProfileType";
  @SerializedName(SERIALIZED_NAME_MIT_PROFILE_TYPE)
  private String mitProfileType;

  public static final String SERIALIZED_NAME_MIT_TRANSACTION_ID = "mitTransactionId";
  @SerializedName(SERIALIZED_NAME_MIT_TRANSACTION_ID)
  private String mitTransactionId;

  public PaymentMethodResponseMandateInfo() {
  }

  public PaymentMethodResponseMandateInfo existingMandateStatus(PaymentMethodMandateInfoMandateStatus existingMandateStatus) {
    this.existingMandateStatus = existingMandateStatus;
    return this;
  }

  /**
   * Get existingMandateStatus
   * @return existingMandateStatus
   */
  @javax.annotation.Nullable
  public PaymentMethodMandateInfoMandateStatus getExistingMandateStatus() {
    return existingMandateStatus;
  }

  public void setExistingMandateStatus(PaymentMethodMandateInfoMandateStatus existingMandateStatus) {
    this.existingMandateStatus = existingMandateStatus;
  }


  public PaymentMethodResponseMandateInfo mandateCreationDate(LocalDate mandateCreationDate) {
    this.mandateCreationDate = mandateCreationDate;
    return this;
  }

  /**
   * The date on which the mandate was created. 
   * @return mandateCreationDate
   */
  @javax.annotation.Nullable
  public LocalDate getMandateCreationDate() {
    return mandateCreationDate;
  }

  public void setMandateCreationDate(LocalDate mandateCreationDate) {
    this.mandateCreationDate = mandateCreationDate;
  }


  public PaymentMethodResponseMandateInfo mandateId(String mandateId) {
    this.mandateId = mandateId;
    return this;
  }

  /**
   * The mandate ID. 
   * @return mandateId
   */
  @javax.annotation.Nullable
  public String getMandateId() {
    return mandateId;
  }

  public void setMandateId(String mandateId) {
    this.mandateId = mandateId;
  }


  public PaymentMethodResponseMandateInfo mandateReason(String mandateReason) {
    this.mandateReason = mandateReason;
    return this;
  }

  /**
   * The reason of the mandate from the gateway side. 
   * @return mandateReason
   */
  @javax.annotation.Nullable
  public String getMandateReason() {
    return mandateReason;
  }

  public void setMandateReason(String mandateReason) {
    this.mandateReason = mandateReason;
  }


  public PaymentMethodResponseMandateInfo mandateReceivedStatus(PaymentMethodMandateInfoMandateStatus mandateReceivedStatus) {
    this.mandateReceivedStatus = mandateReceivedStatus;
    return this;
  }

  /**
   * Get mandateReceivedStatus
   * @return mandateReceivedStatus
   */
  @javax.annotation.Nullable
  public PaymentMethodMandateInfoMandateStatus getMandateReceivedStatus() {
    return mandateReceivedStatus;
  }

  public void setMandateReceivedStatus(PaymentMethodMandateInfoMandateStatus mandateReceivedStatus) {
    this.mandateReceivedStatus = mandateReceivedStatus;
  }


  public PaymentMethodResponseMandateInfo mandateStatus(String mandateStatus) {
    this.mandateStatus = mandateStatus;
    return this;
  }

  /**
   * The status of the mandate from the gateway side. 
   * @return mandateStatus
   */
  @javax.annotation.Nullable
  public String getMandateStatus() {
    return mandateStatus;
  }

  public void setMandateStatus(String mandateStatus) {
    this.mandateStatus = mandateStatus;
  }


  public PaymentMethodResponseMandateInfo mandateUpdateDate(LocalDate mandateUpdateDate) {
    this.mandateUpdateDate = mandateUpdateDate;
    return this;
  }

  /**
   * The date on which the mandate was updated. 
   * @return mandateUpdateDate
   */
  @javax.annotation.Nullable
  public LocalDate getMandateUpdateDate() {
    return mandateUpdateDate;
  }

  public void setMandateUpdateDate(LocalDate mandateUpdateDate) {
    this.mandateUpdateDate = mandateUpdateDate;
  }


  public PaymentMethodResponseMandateInfo mitConsentAgreementRef(String mitConsentAgreementRef) {
    this.mitConsentAgreementRef = mitConsentAgreementRef;
    return this;
  }

  /**
   * Reference for the consent agreement that you have established with the customer.   
   * @return mitConsentAgreementRef
   */
  @javax.annotation.Nullable
  public String getMitConsentAgreementRef() {
    return mitConsentAgreementRef;
  }

  public void setMitConsentAgreementRef(String mitConsentAgreementRef) {
    this.mitConsentAgreementRef = mitConsentAgreementRef;
  }


  public PaymentMethodResponseMandateInfo mitConsentAgreementSrc(StoredCredentialProfileConsentAgreementSrc mitConsentAgreementSrc) {
    this.mitConsentAgreementSrc = mitConsentAgreementSrc;
    return this;
  }

  /**
   * Get mitConsentAgreementSrc
   * @return mitConsentAgreementSrc
   */
  @javax.annotation.Nullable
  public StoredCredentialProfileConsentAgreementSrc getMitConsentAgreementSrc() {
    return mitConsentAgreementSrc;
  }

  public void setMitConsentAgreementSrc(StoredCredentialProfileConsentAgreementSrc mitConsentAgreementSrc) {
    this.mitConsentAgreementSrc = mitConsentAgreementSrc;
  }


  public PaymentMethodResponseMandateInfo mitProfileAction(StoredCredentialProfileAction mitProfileAction) {
    this.mitProfileAction = mitProfileAction;
    return this;
  }

  /**
   * Get mitProfileAction
   * @return mitProfileAction
   */
  @javax.annotation.Nullable
  public StoredCredentialProfileAction getMitProfileAction() {
    return mitProfileAction;
  }

  public void setMitProfileAction(StoredCredentialProfileAction mitProfileAction) {
    this.mitProfileAction = mitProfileAction;
  }


  public PaymentMethodResponseMandateInfo mitProfileAgreedOn(LocalDate mitProfileAgreedOn) {
    this.mitProfileAgreedOn = mitProfileAgreedOn;
    return this;
  }

  /**
   * The date on which the stored credential profile is agreed. The date format is `yyyy-mm-dd`. 
   * @return mitProfileAgreedOn
   */
  @javax.annotation.Nullable
  public LocalDate getMitProfileAgreedOn() {
    return mitProfileAgreedOn;
  }

  public void setMitProfileAgreedOn(LocalDate mitProfileAgreedOn) {
    this.mitProfileAgreedOn = mitProfileAgreedOn;
  }


  public PaymentMethodResponseMandateInfo mitProfileType(String mitProfileType) {
    this.mitProfileType = mitProfileType;
    return this;
  }

  /**
   * Indicates the type of the stored credential profile. If you do not specify the `mitProfileAction` field, Zuora will automatically create a stored credential profile for the payment method, with the default value `Recurring` set to this field. 
   * @return mitProfileType
   */
  @javax.annotation.Nullable
  public String getMitProfileType() {
    return mitProfileType;
  }

  public void setMitProfileType(String mitProfileType) {
    this.mitProfileType = mitProfileType;
  }


  public PaymentMethodResponseMandateInfo mitTransactionId(String mitTransactionId) {
    this.mitTransactionId = mitTransactionId;
    return this;
  }

  /**
   * Specifies the ID of the transaction. Only applicable if you set the `mitProfileAction` field to `Persist`. 
   * @return mitTransactionId
   */
  @javax.annotation.Nullable
  public String getMitTransactionId() {
    return mitTransactionId;
  }

  public void setMitTransactionId(String mitTransactionId) {
    this.mitTransactionId = mitTransactionId;
  }

  /**
   * A container for additional, undeclared properties.
   * This is a holder for any undeclared properties as specified with
   * the 'additionalProperties' keyword in the OAS document.
   */
  private Map additionalProperties;

  /**
   * Set the additional (undeclared) property with the specified name and value.
   * If the property does not already exist, create it otherwise replace it.
   *
   * @param key name of the property
   * @param value value of the property
   * @return the PaymentMethodResponseMandateInfo instance itself
   */
  public PaymentMethodResponseMandateInfo putAdditionalProperty(String key, Object value) {
    if (this.additionalProperties == null) {
        this.additionalProperties = new HashMap();
    }
    this.additionalProperties.put(key, value);
    return this;
  }

  /**
   * Return the additional (undeclared) property.
   *
   * @return a map of objects
   */
  public Map getAdditionalProperties() {
    return additionalProperties;
  }

  /**
   * Return the additional (undeclared) property with the specified name.
   *
   * @param key name of the property
   * @return an object
   */
  public Object getAdditionalProperty(String key) {
    if (this.additionalProperties == null) {
        return null;
    }
    return this.additionalProperties.get(key);
  }


  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    PaymentMethodResponseMandateInfo paymentMethodResponseMandateInfo = (PaymentMethodResponseMandateInfo) o;
    return Objects.equals(this.existingMandateStatus, paymentMethodResponseMandateInfo.existingMandateStatus) &&
        Objects.equals(this.mandateCreationDate, paymentMethodResponseMandateInfo.mandateCreationDate) &&
        Objects.equals(this.mandateId, paymentMethodResponseMandateInfo.mandateId) &&
        Objects.equals(this.mandateReason, paymentMethodResponseMandateInfo.mandateReason) &&
        Objects.equals(this.mandateReceivedStatus, paymentMethodResponseMandateInfo.mandateReceivedStatus) &&
        Objects.equals(this.mandateStatus, paymentMethodResponseMandateInfo.mandateStatus) &&
        Objects.equals(this.mandateUpdateDate, paymentMethodResponseMandateInfo.mandateUpdateDate) &&
        Objects.equals(this.mitConsentAgreementRef, paymentMethodResponseMandateInfo.mitConsentAgreementRef) &&
        Objects.equals(this.mitConsentAgreementSrc, paymentMethodResponseMandateInfo.mitConsentAgreementSrc) &&
        Objects.equals(this.mitProfileAction, paymentMethodResponseMandateInfo.mitProfileAction) &&
        Objects.equals(this.mitProfileAgreedOn, paymentMethodResponseMandateInfo.mitProfileAgreedOn) &&
        Objects.equals(this.mitProfileType, paymentMethodResponseMandateInfo.mitProfileType) &&
        Objects.equals(this.mitTransactionId, paymentMethodResponseMandateInfo.mitTransactionId)&&
        Objects.equals(this.additionalProperties, paymentMethodResponseMandateInfo.additionalProperties);
  }

  @Override
  public int hashCode() {
    return Objects.hash(existingMandateStatus, mandateCreationDate, mandateId, mandateReason, mandateReceivedStatus, mandateStatus, mandateUpdateDate, mitConsentAgreementRef, mitConsentAgreementSrc, mitProfileAction, mitProfileAgreedOn, mitProfileType, mitTransactionId, additionalProperties);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("class PaymentMethodResponseMandateInfo {\n");
    sb.append("    existingMandateStatus: ").append(toIndentedString(existingMandateStatus)).append("\n");
    sb.append("    mandateCreationDate: ").append(toIndentedString(mandateCreationDate)).append("\n");
    sb.append("    mandateId: ").append(toIndentedString(mandateId)).append("\n");
    sb.append("    mandateReason: ").append(toIndentedString(mandateReason)).append("\n");
    sb.append("    mandateReceivedStatus: ").append(toIndentedString(mandateReceivedStatus)).append("\n");
    sb.append("    mandateStatus: ").append(toIndentedString(mandateStatus)).append("\n");
    sb.append("    mandateUpdateDate: ").append(toIndentedString(mandateUpdateDate)).append("\n");
    sb.append("    mitConsentAgreementRef: ").append(toIndentedString(mitConsentAgreementRef)).append("\n");
    sb.append("    mitConsentAgreementSrc: ").append(toIndentedString(mitConsentAgreementSrc)).append("\n");
    sb.append("    mitProfileAction: ").append(toIndentedString(mitProfileAction)).append("\n");
    sb.append("    mitProfileAgreedOn: ").append(toIndentedString(mitProfileAgreedOn)).append("\n");
    sb.append("    mitProfileType: ").append(toIndentedString(mitProfileType)).append("\n");
    sb.append("    mitTransactionId: ").append(toIndentedString(mitTransactionId)).append("\n");
    sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
    sb.append("}");
    return sb.toString();
  }

  /**
   * Convert the given object to string with each line indented by 4 spaces
   * (except the first line).
   */
  private String toIndentedString(Object o) {
    if (o == null) {
      return "null";
    }
    return o.toString().replace("\n", "\n    ");
  }


  public static HashSet openapiFields;
  public static HashSet openapiRequiredFields;

  static {
    // a set of all properties/fields (JSON key names)
    openapiFields = new HashSet();
    openapiFields.add("existingMandateStatus");
    openapiFields.add("mandateCreationDate");
    openapiFields.add("mandateId");
    openapiFields.add("mandateReason");
    openapiFields.add("mandateReceivedStatus");
    openapiFields.add("mandateStatus");
    openapiFields.add("mandateUpdateDate");
    openapiFields.add("mitConsentAgreementRef");
    openapiFields.add("mitConsentAgreementSrc");
    openapiFields.add("mitProfileAction");
    openapiFields.add("mitProfileAgreedOn");
    openapiFields.add("mitProfileType");
    openapiFields.add("mitTransactionId");

    // a set of required properties/fields (JSON key names)
    openapiRequiredFields = new HashSet();
  }

  /**
   * Validates the JSON Element and throws an exception if issues found
   *
   * @param jsonElement JSON Element
   * @throws IOException if the JSON Element is invalid with respect to PaymentMethodResponseMandateInfo
   */
  public static void validateJsonElement(JsonElement jsonElement) throws IOException {
      if (jsonElement == null) {
        if (!PaymentMethodResponseMandateInfo.openapiRequiredFields.isEmpty()) { // has required fields but JSON element is null
          throw new IllegalArgumentException(String.format("The required field(s) %s in PaymentMethodResponseMandateInfo is not found in the empty JSON string", PaymentMethodResponseMandateInfo.openapiRequiredFields.toString()));
        }
      }
        JsonObject jsonObj = jsonElement.getAsJsonObject();
      if ((jsonObj.get("existingMandateStatus") != null && !jsonObj.get("existingMandateStatus").isJsonNull()) && !jsonObj.get("existingMandateStatus").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `existingMandateStatus` to be a primitive type in the JSON string but got `%s`", jsonObj.get("existingMandateStatus").toString()));
      }
      // validate the optional field `existingMandateStatus`
      if (jsonObj.get("existingMandateStatus") != null && !jsonObj.get("existingMandateStatus").isJsonNull()) {
        PaymentMethodMandateInfoMandateStatus.validateJsonElement(jsonObj.get("existingMandateStatus"));
      }
      if ((jsonObj.get("mandateId") != null && !jsonObj.get("mandateId").isJsonNull()) && !jsonObj.get("mandateId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mandateId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mandateId").toString()));
      }
      if ((jsonObj.get("mandateReason") != null && !jsonObj.get("mandateReason").isJsonNull()) && !jsonObj.get("mandateReason").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mandateReason` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mandateReason").toString()));
      }
      if ((jsonObj.get("mandateReceivedStatus") != null && !jsonObj.get("mandateReceivedStatus").isJsonNull()) && !jsonObj.get("mandateReceivedStatus").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mandateReceivedStatus` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mandateReceivedStatus").toString()));
      }
      // validate the optional field `mandateReceivedStatus`
      if (jsonObj.get("mandateReceivedStatus") != null && !jsonObj.get("mandateReceivedStatus").isJsonNull()) {
        PaymentMethodMandateInfoMandateStatus.validateJsonElement(jsonObj.get("mandateReceivedStatus"));
      }
      if ((jsonObj.get("mandateStatus") != null && !jsonObj.get("mandateStatus").isJsonNull()) && !jsonObj.get("mandateStatus").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mandateStatus` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mandateStatus").toString()));
      }
      if ((jsonObj.get("mitConsentAgreementRef") != null && !jsonObj.get("mitConsentAgreementRef").isJsonNull()) && !jsonObj.get("mitConsentAgreementRef").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mitConsentAgreementRef` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mitConsentAgreementRef").toString()));
      }
      if ((jsonObj.get("mitConsentAgreementSrc") != null && !jsonObj.get("mitConsentAgreementSrc").isJsonNull()) && !jsonObj.get("mitConsentAgreementSrc").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mitConsentAgreementSrc` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mitConsentAgreementSrc").toString()));
      }
      // validate the optional field `mitConsentAgreementSrc`
      if (jsonObj.get("mitConsentAgreementSrc") != null && !jsonObj.get("mitConsentAgreementSrc").isJsonNull()) {
        StoredCredentialProfileConsentAgreementSrc.validateJsonElement(jsonObj.get("mitConsentAgreementSrc"));
      }
      if ((jsonObj.get("mitProfileAction") != null && !jsonObj.get("mitProfileAction").isJsonNull()) && !jsonObj.get("mitProfileAction").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mitProfileAction` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mitProfileAction").toString()));
      }
      // validate the optional field `mitProfileAction`
      if (jsonObj.get("mitProfileAction") != null && !jsonObj.get("mitProfileAction").isJsonNull()) {
        StoredCredentialProfileAction.validateJsonElement(jsonObj.get("mitProfileAction"));
      }
      if ((jsonObj.get("mitProfileType") != null && !jsonObj.get("mitProfileType").isJsonNull()) && !jsonObj.get("mitProfileType").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mitProfileType` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mitProfileType").toString()));
      }
      if ((jsonObj.get("mitTransactionId") != null && !jsonObj.get("mitTransactionId").isJsonNull()) && !jsonObj.get("mitTransactionId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `mitTransactionId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("mitTransactionId").toString()));
      }
  }

  public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
    @SuppressWarnings("unchecked")
    @Override
    public  TypeAdapter create(Gson gson, TypeToken type) {
       if (!PaymentMethodResponseMandateInfo.class.isAssignableFrom(type.getRawType())) {
         return null; // this class only serializes 'PaymentMethodResponseMandateInfo' and its subtypes
       }
       final TypeAdapter elementAdapter = gson.getAdapter(JsonElement.class);
       final TypeAdapter thisAdapter
                        = gson.getDelegateAdapter(this, TypeToken.get(PaymentMethodResponseMandateInfo.class));

       return (TypeAdapter) new TypeAdapter() {
           @Override
           public void write(JsonWriter out, PaymentMethodResponseMandateInfo value) throws IOException {
             JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
             obj.remove("additionalProperties");

             // support null values
             out.beginObject();
             Iterator iterator = obj.entrySet().iterator();
             while(iterator.hasNext()) {
                 Map.Entry e = (Map.Entry) iterator.next();
                 out.name((String)e.getKey());
                 elementAdapter.write(out, e.getValue());
             }

             // end

             // serialize additional properties
             if (value.getAdditionalProperties() != null) {
               // support null values
               boolean oldSerializeNulls = out.getSerializeNulls();
               out.setSerializeNulls(true); //force serialize
               // end
               for (Map.Entry entry : value.getAdditionalProperties().entrySet()) {
                 if (entry.getValue() instanceof String)
                   obj.addProperty(entry.getKey(), (String) entry.getValue());
                 else if (entry.getValue() instanceof Number)
                   obj.addProperty(entry.getKey(), (Number) entry.getValue());
                 else if (entry.getValue() instanceof Boolean)
                   obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                 else if (entry.getValue() instanceof Character)
                   obj.addProperty(entry.getKey(), (Character) entry.getValue());
                 else if (entry.getValue() == null)
                    obj.add(entry.getKey(), null);
                 else {
                   JsonElement jsonElement = gson.toJsonTree(entry.getValue());
                   if (jsonElement.isJsonArray()) {
                     obj.add(entry.getKey(), jsonElement.getAsJsonArray());
                   } else {
                     obj.add(entry.getKey(), jsonElement.getAsJsonObject());
                   }
                 }
                 out.name((String)entry.getKey());
                 elementAdapter.write(out, obj.get(entry.getKey()));
               }
               out.setSerializeNulls(oldSerializeNulls); //restore
             }
             out.endObject();

           }

           @Override
           public PaymentMethodResponseMandateInfo read(JsonReader in) throws IOException {
             JsonElement jsonElement = elementAdapter.read(in);
             validateJsonElement(jsonElement);
             JsonObject jsonObj = jsonElement.getAsJsonObject();
             // store additional fields in the deserialized instance
             PaymentMethodResponseMandateInfo instance = thisAdapter.fromJsonTree(jsonObj);
             for (Map.Entry entry : jsonObj.entrySet()) {
               if (!openapiFields.contains(entry.getKey())) {
                 if (entry.getValue().isJsonPrimitive()) { // primitive type
                   if (entry.getValue().getAsJsonPrimitive().isString())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                   else if (entry.getValue().getAsJsonPrimitive().isNumber())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                   else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                     instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                   else
                     throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                 } else if (entry.getValue().isJsonArray()) {
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), List.class));
                 } else { // JSON object
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                 }
               }
             }
             return instance;
           }

       }.nullSafe();
    }
  }

  /**
   * Create an instance of PaymentMethodResponseMandateInfo given an JSON string
   *
   * @param jsonString JSON string
   * @return An instance of PaymentMethodResponseMandateInfo
   * @throws IOException if the JSON string is invalid with respect to PaymentMethodResponseMandateInfo
   */
  public static PaymentMethodResponseMandateInfo fromJson(String jsonString) throws IOException {
    return JSON.getGson().fromJson(jsonString, PaymentMethodResponseMandateInfo.class);
  }

  /**
   * Convert an instance of PaymentMethodResponseMandateInfo to an JSON string
   *
   * @return JSON string
   */
  public String toJson() {
    return JSON.getGson().toJson(this);
  }
}