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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.BillingDocumentItemProcessingType;
import com.zuora.model.BillingDocumentItemSourceType;
import com.zuora.model.CreditMemoItemFinanceInformation;
import com.zuora.model.GetCreditMemoItemTaxationItems;
import com.zuora.model.GetCreditMemoTaxItemResponse;
import com.zuora.model.MemoDetailRevenueImpacting;
import com.zuora.model.TaxMode;
import java.io.IOException;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

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;

/**
 * CreditMemoItem
 */
@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.6.0")
public class CreditMemoItem {
  public static final String SERIALIZED_NAME_AMOUNT = "amount";
  @SerializedName(SERIALIZED_NAME_AMOUNT)
  private BigDecimal amount;

  public static final String SERIALIZED_NAME_AMOUNT_WITHOUT_TAX = "amountWithoutTax";
  @SerializedName(SERIALIZED_NAME_AMOUNT_WITHOUT_TAX)
  private BigDecimal amountWithoutTax;

  public static final String SERIALIZED_NAME_APPLIED_AMOUNT = "appliedAmount";
  @SerializedName(SERIALIZED_NAME_APPLIED_AMOUNT)
  private BigDecimal appliedAmount;

  public static final String SERIALIZED_NAME_APPLIED_TO_ITEM_ID = "appliedToItemId";
  @SerializedName(SERIALIZED_NAME_APPLIED_TO_ITEM_ID)
  private String appliedToItemId;

  public static final String SERIALIZED_NAME_COMMENT = "comment";
  @Deprecated
  @SerializedName(SERIALIZED_NAME_COMMENT)
  private String comment;

  public static final String SERIALIZED_NAME_CREATED_BY_ID = "createdById";
  @SerializedName(SERIALIZED_NAME_CREATED_BY_ID)
  private String createdById;

  public static final String SERIALIZED_NAME_CREATED_DATE = "createdDate";
  @SerializedName(SERIALIZED_NAME_CREATED_DATE)
  private String createdDate;

  public static final String SERIALIZED_NAME_CREDIT_FROM_ITEM_ID = "creditFromItemId";
  @SerializedName(SERIALIZED_NAME_CREDIT_FROM_ITEM_ID)
  private String creditFromItemId;

  /**
   * The type of the credit from item.
   */
  @JsonAdapter(CreditFromItemSourceEnum.Adapter.class)
  public enum CreditFromItemSourceEnum {
    INVOICEITEM("InvoiceItem"),
    
    CREDITMEMOITEM("CreditMemoItem"),
    
    DEBITMEMOITEM("DebitMemoItem");

    private String value;

    CreditFromItemSourceEnum(String value) {
      this.value = value;
    }

    public String getValue() {
      return value;
    }

    @Override
    public String toString() {
      return String.valueOf(value);
    }

    public static CreditFromItemSourceEnum fromValue(String value) {
      for (CreditFromItemSourceEnum b : CreditFromItemSourceEnum.values()) {
        if (b.value.equals(value)) {
          return b;
        }
      }
      throw new IllegalArgumentException("Unexpected value '" + value + "'");
    }

    public static class Adapter extends TypeAdapter {
      @Override
      public void write(final JsonWriter jsonWriter, final CreditFromItemSourceEnum enumeration) throws IOException {
        jsonWriter.value(enumeration.getValue());
      }

      @Override
      public CreditFromItemSourceEnum read(final JsonReader jsonReader) throws IOException {
        String value =  jsonReader.nextString();
        return CreditFromItemSourceEnum.fromValue(value);
      }
    }

    public static void validateJsonElement(JsonElement jsonElement) throws IOException {
      String value = jsonElement.getAsString();
      CreditFromItemSourceEnum.fromValue(value);
    }
  }

  public static final String SERIALIZED_NAME_CREDIT_FROM_ITEM_SOURCE = "creditFromItemSource";
  @SerializedName(SERIALIZED_NAME_CREDIT_FROM_ITEM_SOURCE)
  private CreditFromItemSourceEnum creditFromItemSource;

  public static final String SERIALIZED_NAME_CREDIT_TAX_ITEMS = "creditTaxItems";
  @Deprecated
  @SerializedName(SERIALIZED_NAME_CREDIT_TAX_ITEMS)
  private List creditTaxItems;

  public static final String SERIALIZED_NAME_DESCRIPTION = "description";
  @SerializedName(SERIALIZED_NAME_DESCRIPTION)
  private String description;

  public static final String SERIALIZED_NAME_EXCLUDE_ITEM_BILLING_FROM_REVENUE_ACCOUNTING = "excludeItemBillingFromRevenueAccounting";
  @SerializedName(SERIALIZED_NAME_EXCLUDE_ITEM_BILLING_FROM_REVENUE_ACCOUNTING)
  private Boolean excludeItemBillingFromRevenueAccounting;

  public static final String SERIALIZED_NAME_FINANCE_INFORMATION = "financeInformation";
  @SerializedName(SERIALIZED_NAME_FINANCE_INFORMATION)
  private CreditMemoItemFinanceInformation financeInformation;

  public static final String SERIALIZED_NAME_ID = "id";
  @SerializedName(SERIALIZED_NAME_ID)
  private String id;

  public static final String SERIALIZED_NAME_INVOICE_SCHEDULE_ID = "invoiceScheduleId";
  @SerializedName(SERIALIZED_NAME_INVOICE_SCHEDULE_ID)
  private String invoiceScheduleId;

  public static final String SERIALIZED_NAME_INVOICE_SCHEDULE_ITEM_ID = "invoiceScheduleItemId";
  @SerializedName(SERIALIZED_NAME_INVOICE_SCHEDULE_ITEM_ID)
  private String invoiceScheduleItemId;

  public static final String SERIALIZED_NAME_PROCESSING_TYPE = "processingType";
  @SerializedName(SERIALIZED_NAME_PROCESSING_TYPE)
  private BillingDocumentItemProcessingType processingType;

  public static final String SERIALIZED_NAME_QUANTITY = "quantity";
  @SerializedName(SERIALIZED_NAME_QUANTITY)
  private BigDecimal quantity;

  public static final String SERIALIZED_NAME_REFUND_AMOUNT = "refundAmount";
  @SerializedName(SERIALIZED_NAME_REFUND_AMOUNT)
  private BigDecimal refundAmount;

  public static final String SERIALIZED_NAME_SERVICE_END_DATE = "serviceEndDate";
  @SerializedName(SERIALIZED_NAME_SERVICE_END_DATE)
  private LocalDate serviceEndDate;

  public static final String SERIALIZED_NAME_SERVICE_START_DATE = "serviceStartDate";
  @SerializedName(SERIALIZED_NAME_SERVICE_START_DATE)
  private LocalDate serviceStartDate;

  public static final String SERIALIZED_NAME_SHIP_TO_CONTACT_ID = "shipToContactId";
  @SerializedName(SERIALIZED_NAME_SHIP_TO_CONTACT_ID)
  private String shipToContactId;

  public static final String SERIALIZED_NAME_SKU = "sku";
  @SerializedName(SERIALIZED_NAME_SKU)
  private String sku;

  public static final String SERIALIZED_NAME_SKU_NAME = "skuName";
  @SerializedName(SERIALIZED_NAME_SKU_NAME)
  private String skuName;

  public static final String SERIALIZED_NAME_SOLD_TO_CONTACT_ID = "soldToContactId";
  @SerializedName(SERIALIZED_NAME_SOLD_TO_CONTACT_ID)
  private String soldToContactId;

  public static final String SERIALIZED_NAME_SOLD_TO_CONTACT_SNAPSHOT_ID = "soldToContactSnapshotId";
  @SerializedName(SERIALIZED_NAME_SOLD_TO_CONTACT_SNAPSHOT_ID)
  private String soldToContactSnapshotId;

  public static final String SERIALIZED_NAME_SOURCE_ITEM_ID = "sourceItemId";
  @SerializedName(SERIALIZED_NAME_SOURCE_ITEM_ID)
  private String sourceItemId;

  public static final String SERIALIZED_NAME_SOURCE_ITEM_TYPE = "sourceItemType";
  @SerializedName(SERIALIZED_NAME_SOURCE_ITEM_TYPE)
  private BillingDocumentItemSourceType sourceItemType;

  public static final String SERIALIZED_NAME_SUBSCRIPTION_ID = "subscriptionId";
  @SerializedName(SERIALIZED_NAME_SUBSCRIPTION_ID)
  private String subscriptionId;

  public static final String SERIALIZED_NAME_TAX_MODE = "taxMode";
  @SerializedName(SERIALIZED_NAME_TAX_MODE)
  private TaxMode taxMode;

  public static final String SERIALIZED_NAME_TAXATION_ITEMS = "taxationItems";
  @SerializedName(SERIALIZED_NAME_TAXATION_ITEMS)
  private GetCreditMemoItemTaxationItems taxationItems;

  public static final String SERIALIZED_NAME_UNAPPLIED_AMOUNT = "unappliedAmount";
  @SerializedName(SERIALIZED_NAME_UNAPPLIED_AMOUNT)
  private BigDecimal unappliedAmount;

  public static final String SERIALIZED_NAME_UNIT_OF_MEASURE = "unitOfMeasure";
  @SerializedName(SERIALIZED_NAME_UNIT_OF_MEASURE)
  private String unitOfMeasure;

  public static final String SERIALIZED_NAME_UNIT_PRICE = "unitPrice";
  @SerializedName(SERIALIZED_NAME_UNIT_PRICE)
  private BigDecimal unitPrice;

  public static final String SERIALIZED_NAME_UPDATED_BY_ID = "updatedById";
  @SerializedName(SERIALIZED_NAME_UPDATED_BY_ID)
  private String updatedById;

  public static final String SERIALIZED_NAME_UPDATED_DATE = "updatedDate";
  @SerializedName(SERIALIZED_NAME_UPDATED_DATE)
  private String updatedDate;

  public static final String SERIALIZED_NAME_ORDER_LINE_ITEM_ID = "orderLineItemId";
  @SerializedName(SERIALIZED_NAME_ORDER_LINE_ITEM_ID)
  private String orderLineItemId;

  public static final String SERIALIZED_NAME_ITEM_TYPE = "itemType";
  @SerializedName(SERIALIZED_NAME_ITEM_TYPE)
  private String itemType;

  public static final String SERIALIZED_NAME_PURCHASE_ORDER_NUMBER = "purchaseOrderNumber";
  @SerializedName(SERIALIZED_NAME_PURCHASE_ORDER_NUMBER)
  private String purchaseOrderNumber;

  public static final String SERIALIZED_NAME_FULFILLMENT_ID = "fulfillmentId";
  @SerializedName(SERIALIZED_NAME_FULFILLMENT_ID)
  private String fulfillmentId;

  public static final String SERIALIZED_NAME_NUMBER_OF_DELIVERIES = "numberOfDeliveries";
  @SerializedName(SERIALIZED_NAME_NUMBER_OF_DELIVERIES)
  private BigDecimal numberOfDeliveries;

  public static final String SERIALIZED_NAME_REFLECT_DISCOUNT_IN_NET_AMOUNT = "reflectDiscountInNetAmount";
  @SerializedName(SERIALIZED_NAME_REFLECT_DISCOUNT_IN_NET_AMOUNT)
  private Boolean reflectDiscountInNetAmount;

  public static final String SERIALIZED_NAME_REVENUE_IMPACTING = "revenueImpacting";
  @SerializedName(SERIALIZED_NAME_REVENUE_IMPACTING)
  private MemoDetailRevenueImpacting revenueImpacting;

  public CreditMemoItem() {
  }

  public CreditMemoItem amount(BigDecimal amount) {
    this.amount = amount;
    return this;
  }

  /**
   * The amount of the credit memo item. For tax-inclusive credit memo items, the amount indicates the credit memo item amount including tax. For tax-exclusive credit memo items, the amount indicates the credit memo item amount excluding tax.
   * @return amount
   */
  @javax.annotation.Nullable
  public BigDecimal getAmount() {
    return amount;
  }

  public void setAmount(BigDecimal amount) {
    this.amount = amount;
  }


  public CreditMemoItem amountWithoutTax(BigDecimal amountWithoutTax) {
    this.amountWithoutTax = amountWithoutTax;
    return this;
  }

  /**
   * The credit memo item amount excluding tax.
   * @return amountWithoutTax
   */
  @javax.annotation.Nullable
  public BigDecimal getAmountWithoutTax() {
    return amountWithoutTax;
  }

  public void setAmountWithoutTax(BigDecimal amountWithoutTax) {
    this.amountWithoutTax = amountWithoutTax;
  }


  public CreditMemoItem appliedAmount(BigDecimal appliedAmount) {
    this.appliedAmount = appliedAmount;
    return this;
  }

  /**
   * The applied amount of the credit memo item.
   * @return appliedAmount
   */
  @javax.annotation.Nullable
  public BigDecimal getAppliedAmount() {
    return appliedAmount;
  }

  public void setAppliedAmount(BigDecimal appliedAmount) {
    this.appliedAmount = appliedAmount;
  }


  public CreditMemoItem appliedToItemId(String appliedToItemId) {
    this.appliedToItemId = appliedToItemId;
    return this;
  }

  /**
   * The unique ID of the credit memo item that the discount charge is applied to.
   * @return appliedToItemId
   */
  @javax.annotation.Nullable
  public String getAppliedToItemId() {
    return appliedToItemId;
  }

  public void setAppliedToItemId(String appliedToItemId) {
    this.appliedToItemId = appliedToItemId;
  }


  @Deprecated
  public CreditMemoItem comment(String comment) {
    this.comment = comment;
    return this;
  }

  /**
   * Comments about the credit memo item. **Note**: This field is not available if you set the `zuora-version` request header to `257.0` or later.
   * @return comment
   * @deprecated
   */
  @Deprecated
  @javax.annotation.Nullable
  public String getComment() {
    return comment;
  }

  @Deprecated
  public void setComment(String comment) {
    this.comment = comment;
  }


  public CreditMemoItem createdById(String createdById) {
    this.createdById = createdById;
    return this;
  }

  /**
   * The ID of the Zuora user who created the credit memo item.
   * @return createdById
   */
  @javax.annotation.Nullable
  public String getCreatedById() {
    return createdById;
  }

  public void setCreatedById(String createdById) {
    this.createdById = createdById;
  }


  public CreditMemoItem createdDate(String createdDate) {
    this.createdDate = createdDate;
    return this;
  }

  /**
   * The date and time when the credit memo item was created, in `yyyy-mm-dd hh:mm:ss` format. For example, 2017-03-01 15:31:10.
   * @return createdDate
   */
  @javax.annotation.Nullable
  public String getCreatedDate() {
    return createdDate;
  }

  public void setCreatedDate(String createdDate) {
    this.createdDate = createdDate;
  }


  public CreditMemoItem creditFromItemId(String creditFromItemId) {
    this.creditFromItemId = creditFromItemId;
    return this;
  }

  /**
   * The ID of the credit from item.
   * @return creditFromItemId
   */
  @javax.annotation.Nullable
  public String getCreditFromItemId() {
    return creditFromItemId;
  }

  public void setCreditFromItemId(String creditFromItemId) {
    this.creditFromItemId = creditFromItemId;
  }


  public CreditMemoItem creditFromItemSource(CreditFromItemSourceEnum creditFromItemSource) {
    this.creditFromItemSource = creditFromItemSource;
    return this;
  }

  /**
   * The type of the credit from item.
   * @return creditFromItemSource
   */
  @javax.annotation.Nullable
  public CreditFromItemSourceEnum getCreditFromItemSource() {
    return creditFromItemSource;
  }

  public void setCreditFromItemSource(CreditFromItemSourceEnum creditFromItemSource) {
    this.creditFromItemSource = creditFromItemSource;
  }


  @Deprecated
  public CreditMemoItem creditTaxItems(List creditTaxItems) {
    this.creditTaxItems = creditTaxItems;
    return this;
  }

  public CreditMemoItem addCreditTaxItemsItem(GetCreditMemoTaxItemResponse creditTaxItemsItem) {
    if (this.creditTaxItems == null) {
      this.creditTaxItems = new ArrayList<>();
    }
    this.creditTaxItems.add(creditTaxItemsItem);
    return this;
  }

  /**
   * Container for the taxation items of the credit memo item.   **Note**: This field is not available if you set the `zuora-version` request header to `239.0` or later. 
   * @return creditTaxItems
   * @deprecated
   */
  @Deprecated
  @javax.annotation.Nullable
  public List getCreditTaxItems() {
    return creditTaxItems;
  }

  @Deprecated
  public void setCreditTaxItems(List creditTaxItems) {
    this.creditTaxItems = creditTaxItems;
  }


  public CreditMemoItem description(String description) {
    this.description = description;
    return this;
  }

  /**
   * The description of the credit memo item. **Note**: This field is only available if you set the `zuora-version` request header to `257.0` or later.
   * @return description
   */
  @javax.annotation.Nullable
  public String getDescription() {
    return description;
  }

  public void setDescription(String description) {
    this.description = description;
  }


  public CreditMemoItem excludeItemBillingFromRevenueAccounting(Boolean excludeItemBillingFromRevenueAccounting) {
    this.excludeItemBillingFromRevenueAccounting = excludeItemBillingFromRevenueAccounting;
    return this;
  }

  /**
   * The flag to exclude the credit memo item from revenue accounting.  **Note**: This field is only available if you have the Billing - Revenue Integration feature enabled.  
   * @return excludeItemBillingFromRevenueAccounting
   */
  @javax.annotation.Nullable
  public Boolean getExcludeItemBillingFromRevenueAccounting() {
    return excludeItemBillingFromRevenueAccounting;
  }

  public void setExcludeItemBillingFromRevenueAccounting(Boolean excludeItemBillingFromRevenueAccounting) {
    this.excludeItemBillingFromRevenueAccounting = excludeItemBillingFromRevenueAccounting;
  }


  public CreditMemoItem financeInformation(CreditMemoItemFinanceInformation financeInformation) {
    this.financeInformation = financeInformation;
    return this;
  }

  /**
   * Get financeInformation
   * @return financeInformation
   */
  @javax.annotation.Nullable
  public CreditMemoItemFinanceInformation getFinanceInformation() {
    return financeInformation;
  }

  public void setFinanceInformation(CreditMemoItemFinanceInformation financeInformation) {
    this.financeInformation = financeInformation;
  }


  public CreditMemoItem id(String id) {
    this.id = id;
    return this;
  }

  /**
   * The ID of the credit memo item.
   * @return id
   */
  @javax.annotation.Nullable
  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }


  public CreditMemoItem invoiceScheduleId(String invoiceScheduleId) {
    this.invoiceScheduleId = invoiceScheduleId;
    return this;
  }

  /**
   * The ID of the invoice schedule associated with the credit memo item.   **Note**: This field is available only if you have the <a href=\"https://knowledgecenter.zuora.com/Billing/Billing_and_Payments/Billing_Schedule\" target=\"_blank\">Billing Schedule</a> feature enabled. 
   * @return invoiceScheduleId
   */
  @javax.annotation.Nullable
  public String getInvoiceScheduleId() {
    return invoiceScheduleId;
  }

  public void setInvoiceScheduleId(String invoiceScheduleId) {
    this.invoiceScheduleId = invoiceScheduleId;
  }


  public CreditMemoItem invoiceScheduleItemId(String invoiceScheduleItemId) {
    this.invoiceScheduleItemId = invoiceScheduleItemId;
    return this;
  }

  /**
   * The ID of the invoice schedule item associated with the credit memo item. The credit memo item is generated during the processing of the invoice schedule item. **Note**: This field is available only if you have the <a href=\"https://knowledgecenter.zuora.com/Billing/Billing_and_Payments/Billing_Schedule\" target=\"_blank\">Billing Schedule</a> feature enabled.
   * @return invoiceScheduleItemId
   */
  @javax.annotation.Nullable
  public String getInvoiceScheduleItemId() {
    return invoiceScheduleItemId;
  }

  public void setInvoiceScheduleItemId(String invoiceScheduleItemId) {
    this.invoiceScheduleItemId = invoiceScheduleItemId;
  }


  public CreditMemoItem processingType(BillingDocumentItemProcessingType processingType) {
    this.processingType = processingType;
    return this;
  }

  /**
   * Get processingType
   * @return processingType
   */
  @javax.annotation.Nullable
  public BillingDocumentItemProcessingType getProcessingType() {
    return processingType;
  }

  public void setProcessingType(BillingDocumentItemProcessingType processingType) {
    this.processingType = processingType;
  }


  public CreditMemoItem quantity(BigDecimal quantity) {
    this.quantity = quantity;
    return this;
  }

  /**
   * The number of units for the credit memo item.
   * @return quantity
   */
  @javax.annotation.Nullable
  public BigDecimal getQuantity() {
    return quantity;
  }

  public void setQuantity(BigDecimal quantity) {
    this.quantity = quantity;
  }


  public CreditMemoItem refundAmount(BigDecimal refundAmount) {
    this.refundAmount = refundAmount;
    return this;
  }

  /**
   * The amount of the refund on the credit memo item.
   * @return refundAmount
   */
  @javax.annotation.Nullable
  public BigDecimal getRefundAmount() {
    return refundAmount;
  }

  public void setRefundAmount(BigDecimal refundAmount) {
    this.refundAmount = refundAmount;
  }


  public CreditMemoItem serviceEndDate(LocalDate serviceEndDate) {
    this.serviceEndDate = serviceEndDate;
    return this;
  }

  /**
   * The service end date of the credit memo item.  
   * @return serviceEndDate
   */
  @javax.annotation.Nullable
  public LocalDate getServiceEndDate() {
    return serviceEndDate;
  }

  public void setServiceEndDate(LocalDate serviceEndDate) {
    this.serviceEndDate = serviceEndDate;
  }


  public CreditMemoItem serviceStartDate(LocalDate serviceStartDate) {
    this.serviceStartDate = serviceStartDate;
    return this;
  }

  /**
   * The service start date of the credit memo item.
   * @return serviceStartDate
   */
  @javax.annotation.Nullable
  public LocalDate getServiceStartDate() {
    return serviceStartDate;
  }

  public void setServiceStartDate(LocalDate serviceStartDate) {
    this.serviceStartDate = serviceStartDate;
  }


  public CreditMemoItem shipToContactId(String shipToContactId) {
    this.shipToContactId = shipToContactId;
    return this;
  }

  /**
   * The ID of the ship-to contact associated with the credit memo item. **Note**: If you have the Flexible Billing Attributes feature disabled, the value of this field is `null`.
   * @return shipToContactId
   */
  @javax.annotation.Nullable
  public String getShipToContactId() {
    return shipToContactId;
  }

  public void setShipToContactId(String shipToContactId) {
    this.shipToContactId = shipToContactId;
  }


  public CreditMemoItem sku(String sku) {
    this.sku = sku;
    return this;
  }

  /**
   * The SKU for the product associated with the credit memo item.
   * @return sku
   */
  @javax.annotation.Nullable
  public String getSku() {
    return sku;
  }

  public void setSku(String sku) {
    this.sku = sku;
  }


  public CreditMemoItem skuName(String skuName) {
    this.skuName = skuName;
    return this;
  }

  /**
   * The name of the SKU.
   * @return skuName
   */
  @javax.annotation.Nullable
  public String getSkuName() {
    return skuName;
  }

  public void setSkuName(String skuName) {
    this.skuName = skuName;
  }


  public CreditMemoItem soldToContactId(String soldToContactId) {
    this.soldToContactId = soldToContactId;
    return this;
  }

  /**
   * The ID of the sold-to contact associated with the credit memo item. **Note**: If you have the Flexible Billing Attributes feature disabled, the value of this field is `null`.
   * @return soldToContactId
   */
  @javax.annotation.Nullable
  public String getSoldToContactId() {
    return soldToContactId;
  }

  public void setSoldToContactId(String soldToContactId) {
    this.soldToContactId = soldToContactId;
  }


  public CreditMemoItem soldToContactSnapshotId(String soldToContactSnapshotId) {
    this.soldToContactSnapshotId = soldToContactSnapshotId;
    return this;
  }

  /**
   * The ID of the sold-to contact snapshot associated with the credit memo item. **Note**: If you have the Flexible Billing Attributes feature disabled, the value of this field is `null`.
   * @return soldToContactSnapshotId
   */
  @javax.annotation.Nullable
  public String getSoldToContactSnapshotId() {
    return soldToContactSnapshotId;
  }

  public void setSoldToContactSnapshotId(String soldToContactSnapshotId) {
    this.soldToContactSnapshotId = soldToContactSnapshotId;
  }


  public CreditMemoItem sourceItemId(String sourceItemId) {
    this.sourceItemId = sourceItemId;
    return this;
  }

  /**
   * The ID of the source item. - If the value of the `sourceItemType` field is `SubscriptionComponent` , the value of this field is the ID of the corresponding rate plan charge. - If the value of the `sourceItemType` field is `InvoiceDetail`, the value of this field is the ID of the corresponding invoice item. - If the value of the `sourceItemType` field is `ProductRatePlanCharge` , the value of this field is the ID of the corresponding product rate plan charge. - If the value of the `sourceItemType` field is `OrderLineItem` , the value of this field is the ID of the corresponding return order line item. 
   * @return sourceItemId
   */
  @javax.annotation.Nullable
  public String getSourceItemId() {
    return sourceItemId;
  }

  public void setSourceItemId(String sourceItemId) {
    this.sourceItemId = sourceItemId;
  }


  public CreditMemoItem sourceItemType(BillingDocumentItemSourceType sourceItemType) {
    this.sourceItemType = sourceItemType;
    return this;
  }

  /**
   * Get sourceItemType
   * @return sourceItemType
   */
  @javax.annotation.Nullable
  public BillingDocumentItemSourceType getSourceItemType() {
    return sourceItemType;
  }

  public void setSourceItemType(BillingDocumentItemSourceType sourceItemType) {
    this.sourceItemType = sourceItemType;
  }


  public CreditMemoItem subscriptionId(String subscriptionId) {
    this.subscriptionId = subscriptionId;
    return this;
  }

  /**
   * The ID of the subscription associated with the credit memo item.
   * @return subscriptionId
   */
  @javax.annotation.Nullable
  public String getSubscriptionId() {
    return subscriptionId;
  }

  public void setSubscriptionId(String subscriptionId) {
    this.subscriptionId = subscriptionId;
  }


  public CreditMemoItem taxMode(TaxMode taxMode) {
    this.taxMode = taxMode;
    return this;
  }

  /**
   * Get taxMode
   * @return taxMode
   */
  @javax.annotation.Nullable
  public TaxMode getTaxMode() {
    return taxMode;
  }

  public void setTaxMode(TaxMode taxMode) {
    this.taxMode = taxMode;
  }


  public CreditMemoItem taxationItems(GetCreditMemoItemTaxationItems taxationItems) {
    this.taxationItems = taxationItems;
    return this;
  }

  /**
   * Get taxationItems
   * @return taxationItems
   */
  @javax.annotation.Nullable
  public GetCreditMemoItemTaxationItems getTaxationItems() {
    return taxationItems;
  }

  public void setTaxationItems(GetCreditMemoItemTaxationItems taxationItems) {
    this.taxationItems = taxationItems;
  }


  public CreditMemoItem unappliedAmount(BigDecimal unappliedAmount) {
    this.unappliedAmount = unappliedAmount;
    return this;
  }

  /**
   * The unapplied amount of the credit memo item.
   * @return unappliedAmount
   */
  @javax.annotation.Nullable
  public BigDecimal getUnappliedAmount() {
    return unappliedAmount;
  }

  public void setUnappliedAmount(BigDecimal unappliedAmount) {
    this.unappliedAmount = unappliedAmount;
  }


  public CreditMemoItem unitOfMeasure(String unitOfMeasure) {
    this.unitOfMeasure = unitOfMeasure;
    return this;
  }

  /**
   * The units to measure usage.
   * @return unitOfMeasure
   */
  @javax.annotation.Nullable
  public String getUnitOfMeasure() {
    return unitOfMeasure;
  }

  public void setUnitOfMeasure(String unitOfMeasure) {
    this.unitOfMeasure = unitOfMeasure;
  }


  public CreditMemoItem unitPrice(BigDecimal unitPrice) {
    this.unitPrice = unitPrice;
    return this;
  }

  /**
   * The per-unit price of the credit memo item.
   * @return unitPrice
   */
  @javax.annotation.Nullable
  public BigDecimal getUnitPrice() {
    return unitPrice;
  }

  public void setUnitPrice(BigDecimal unitPrice) {
    this.unitPrice = unitPrice;
  }


  public CreditMemoItem updatedById(String updatedById) {
    this.updatedById = updatedById;
    return this;
  }

  /**
   * The ID of the Zuora user who last updated the credit memo item.
   * @return updatedById
   */
  @javax.annotation.Nullable
  public String getUpdatedById() {
    return updatedById;
  }

  public void setUpdatedById(String updatedById) {
    this.updatedById = updatedById;
  }


  public CreditMemoItem updatedDate(String updatedDate) {
    this.updatedDate = updatedDate;
    return this;
  }

  /**
   * The date and time when the credit memo item was last updated, in `yyyy-mm-dd hh:mm:ss` format. For example, 2017-03-02 15:36:10.
   * @return updatedDate
   */
  @javax.annotation.Nullable
  public String getUpdatedDate() {
    return updatedDate;
  }

  public void setUpdatedDate(String updatedDate) {
    this.updatedDate = updatedDate;
  }


  public CreditMemoItem orderLineItemId(String orderLineItemId) {
    this.orderLineItemId = orderLineItemId;
    return this;
  }

  /**
   * orderLineItemId 
   * @return orderLineItemId
   */
  @javax.annotation.Nullable
  public String getOrderLineItemId() {
    return orderLineItemId;
  }

  public void setOrderLineItemId(String orderLineItemId) {
    this.orderLineItemId = orderLineItemId;
  }


  public CreditMemoItem itemType(String itemType) {
    this.itemType = itemType;
    return this;
  }

  /**
   * itemType 
   * @return itemType
   */
  @javax.annotation.Nullable
  public String getItemType() {
    return itemType;
  }

  public void setItemType(String itemType) {
    this.itemType = itemType;
  }


  public CreditMemoItem purchaseOrderNumber(String purchaseOrderNumber) {
    this.purchaseOrderNumber = purchaseOrderNumber;
    return this;
  }

  /**
   * purchaseOrderNumber 
   * @return purchaseOrderNumber
   */
  @javax.annotation.Nullable
  public String getPurchaseOrderNumber() {
    return purchaseOrderNumber;
  }

  public void setPurchaseOrderNumber(String purchaseOrderNumber) {
    this.purchaseOrderNumber = purchaseOrderNumber;
  }


  public CreditMemoItem fulfillmentId(String fulfillmentId) {
    this.fulfillmentId = fulfillmentId;
    return this;
  }

  /**
   * fulfillmentId 
   * @return fulfillmentId
   */
  @javax.annotation.Nullable
  public String getFulfillmentId() {
    return fulfillmentId;
  }

  public void setFulfillmentId(String fulfillmentId) {
    this.fulfillmentId = fulfillmentId;
  }


  public CreditMemoItem numberOfDeliveries(BigDecimal numberOfDeliveries) {
    this.numberOfDeliveries = numberOfDeliveries;
    return this;
  }

  /**
   * The number of delivery for charge.  **Note**: This field is available only if you have the Delivery Pricing feature enabled. 
   * @return numberOfDeliveries
   */
  @javax.annotation.Nullable
  public BigDecimal getNumberOfDeliveries() {
    return numberOfDeliveries;
  }

  public void setNumberOfDeliveries(BigDecimal numberOfDeliveries) {
    this.numberOfDeliveries = numberOfDeliveries;
  }


  public CreditMemoItem reflectDiscountInNetAmount(Boolean reflectDiscountInNetAmount) {
    this.reflectDiscountInNetAmount = reflectDiscountInNetAmount;
    return this;
  }

  /**
   * The flag to reflect Discount in Apply To Charge Net Amount. 
   * @return reflectDiscountInNetAmount
   */
  @javax.annotation.Nullable
  public Boolean getReflectDiscountInNetAmount() {
    return reflectDiscountInNetAmount;
  }

  public void setReflectDiscountInNetAmount(Boolean reflectDiscountInNetAmount) {
    this.reflectDiscountInNetAmount = reflectDiscountInNetAmount;
  }


  public CreditMemoItem revenueImpacting(MemoDetailRevenueImpacting revenueImpacting) {
    this.revenueImpacting = revenueImpacting;
    return this;
  }

  /**
   * Get revenueImpacting
   * @return revenueImpacting
   */
  @javax.annotation.Nullable
  public MemoDetailRevenueImpacting getRevenueImpacting() {
    return revenueImpacting;
  }

  public void setRevenueImpacting(MemoDetailRevenueImpacting revenueImpacting) {
    this.revenueImpacting = revenueImpacting;
  }

  /**
   * 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 CreditMemoItem instance itself
   */
  public CreditMemoItem 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;
    }
    CreditMemoItem creditMemoItem = (CreditMemoItem) o;
    return Objects.equals(this.amount, creditMemoItem.amount) &&
        Objects.equals(this.amountWithoutTax, creditMemoItem.amountWithoutTax) &&
        Objects.equals(this.appliedAmount, creditMemoItem.appliedAmount) &&
        Objects.equals(this.appliedToItemId, creditMemoItem.appliedToItemId) &&
        Objects.equals(this.comment, creditMemoItem.comment) &&
        Objects.equals(this.createdById, creditMemoItem.createdById) &&
        Objects.equals(this.createdDate, creditMemoItem.createdDate) &&
        Objects.equals(this.creditFromItemId, creditMemoItem.creditFromItemId) &&
        Objects.equals(this.creditFromItemSource, creditMemoItem.creditFromItemSource) &&
        Objects.equals(this.creditTaxItems, creditMemoItem.creditTaxItems) &&
        Objects.equals(this.description, creditMemoItem.description) &&
        Objects.equals(this.excludeItemBillingFromRevenueAccounting, creditMemoItem.excludeItemBillingFromRevenueAccounting) &&
        Objects.equals(this.financeInformation, creditMemoItem.financeInformation) &&
        Objects.equals(this.id, creditMemoItem.id) &&
        Objects.equals(this.invoiceScheduleId, creditMemoItem.invoiceScheduleId) &&
        Objects.equals(this.invoiceScheduleItemId, creditMemoItem.invoiceScheduleItemId) &&
        Objects.equals(this.processingType, creditMemoItem.processingType) &&
        Objects.equals(this.quantity, creditMemoItem.quantity) &&
        Objects.equals(this.refundAmount, creditMemoItem.refundAmount) &&
        Objects.equals(this.serviceEndDate, creditMemoItem.serviceEndDate) &&
        Objects.equals(this.serviceStartDate, creditMemoItem.serviceStartDate) &&
        Objects.equals(this.shipToContactId, creditMemoItem.shipToContactId) &&
        Objects.equals(this.sku, creditMemoItem.sku) &&
        Objects.equals(this.skuName, creditMemoItem.skuName) &&
        Objects.equals(this.soldToContactId, creditMemoItem.soldToContactId) &&
        Objects.equals(this.soldToContactSnapshotId, creditMemoItem.soldToContactSnapshotId) &&
        Objects.equals(this.sourceItemId, creditMemoItem.sourceItemId) &&
        Objects.equals(this.sourceItemType, creditMemoItem.sourceItemType) &&
        Objects.equals(this.subscriptionId, creditMemoItem.subscriptionId) &&
        Objects.equals(this.taxMode, creditMemoItem.taxMode) &&
        Objects.equals(this.taxationItems, creditMemoItem.taxationItems) &&
        Objects.equals(this.unappliedAmount, creditMemoItem.unappliedAmount) &&
        Objects.equals(this.unitOfMeasure, creditMemoItem.unitOfMeasure) &&
        Objects.equals(this.unitPrice, creditMemoItem.unitPrice) &&
        Objects.equals(this.updatedById, creditMemoItem.updatedById) &&
        Objects.equals(this.updatedDate, creditMemoItem.updatedDate) &&
        Objects.equals(this.orderLineItemId, creditMemoItem.orderLineItemId) &&
        Objects.equals(this.itemType, creditMemoItem.itemType) &&
        Objects.equals(this.purchaseOrderNumber, creditMemoItem.purchaseOrderNumber) &&
        Objects.equals(this.fulfillmentId, creditMemoItem.fulfillmentId) &&
        Objects.equals(this.numberOfDeliveries, creditMemoItem.numberOfDeliveries) &&
        Objects.equals(this.reflectDiscountInNetAmount, creditMemoItem.reflectDiscountInNetAmount) &&
        Objects.equals(this.revenueImpacting, creditMemoItem.revenueImpacting)&&
        Objects.equals(this.additionalProperties, creditMemoItem.additionalProperties);
  }

  @Override
  public int hashCode() {
    return Objects.hash(amount, amountWithoutTax, appliedAmount, appliedToItemId, comment, createdById, createdDate, creditFromItemId, creditFromItemSource, creditTaxItems, description, excludeItemBillingFromRevenueAccounting, financeInformation, id, invoiceScheduleId, invoiceScheduleItemId, processingType, quantity, refundAmount, serviceEndDate, serviceStartDate, shipToContactId, sku, skuName, soldToContactId, soldToContactSnapshotId, sourceItemId, sourceItemType, subscriptionId, taxMode, taxationItems, unappliedAmount, unitOfMeasure, unitPrice, updatedById, updatedDate, orderLineItemId, itemType, purchaseOrderNumber, fulfillmentId, numberOfDeliveries, reflectDiscountInNetAmount, revenueImpacting, additionalProperties);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("class CreditMemoItem {\n");
    sb.append("    amount: ").append(toIndentedString(amount)).append("\n");
    sb.append("    amountWithoutTax: ").append(toIndentedString(amountWithoutTax)).append("\n");
    sb.append("    appliedAmount: ").append(toIndentedString(appliedAmount)).append("\n");
    sb.append("    appliedToItemId: ").append(toIndentedString(appliedToItemId)).append("\n");
    sb.append("    comment: ").append(toIndentedString(comment)).append("\n");
    sb.append("    createdById: ").append(toIndentedString(createdById)).append("\n");
    sb.append("    createdDate: ").append(toIndentedString(createdDate)).append("\n");
    sb.append("    creditFromItemId: ").append(toIndentedString(creditFromItemId)).append("\n");
    sb.append("    creditFromItemSource: ").append(toIndentedString(creditFromItemSource)).append("\n");
    sb.append("    creditTaxItems: ").append(toIndentedString(creditTaxItems)).append("\n");
    sb.append("    description: ").append(toIndentedString(description)).append("\n");
    sb.append("    excludeItemBillingFromRevenueAccounting: ").append(toIndentedString(excludeItemBillingFromRevenueAccounting)).append("\n");
    sb.append("    financeInformation: ").append(toIndentedString(financeInformation)).append("\n");
    sb.append("    id: ").append(toIndentedString(id)).append("\n");
    sb.append("    invoiceScheduleId: ").append(toIndentedString(invoiceScheduleId)).append("\n");
    sb.append("    invoiceScheduleItemId: ").append(toIndentedString(invoiceScheduleItemId)).append("\n");
    sb.append("    processingType: ").append(toIndentedString(processingType)).append("\n");
    sb.append("    quantity: ").append(toIndentedString(quantity)).append("\n");
    sb.append("    refundAmount: ").append(toIndentedString(refundAmount)).append("\n");
    sb.append("    serviceEndDate: ").append(toIndentedString(serviceEndDate)).append("\n");
    sb.append("    serviceStartDate: ").append(toIndentedString(serviceStartDate)).append("\n");
    sb.append("    shipToContactId: ").append(toIndentedString(shipToContactId)).append("\n");
    sb.append("    sku: ").append(toIndentedString(sku)).append("\n");
    sb.append("    skuName: ").append(toIndentedString(skuName)).append("\n");
    sb.append("    soldToContactId: ").append(toIndentedString(soldToContactId)).append("\n");
    sb.append("    soldToContactSnapshotId: ").append(toIndentedString(soldToContactSnapshotId)).append("\n");
    sb.append("    sourceItemId: ").append(toIndentedString(sourceItemId)).append("\n");
    sb.append("    sourceItemType: ").append(toIndentedString(sourceItemType)).append("\n");
    sb.append("    subscriptionId: ").append(toIndentedString(subscriptionId)).append("\n");
    sb.append("    taxMode: ").append(toIndentedString(taxMode)).append("\n");
    sb.append("    taxationItems: ").append(toIndentedString(taxationItems)).append("\n");
    sb.append("    unappliedAmount: ").append(toIndentedString(unappliedAmount)).append("\n");
    sb.append("    unitOfMeasure: ").append(toIndentedString(unitOfMeasure)).append("\n");
    sb.append("    unitPrice: ").append(toIndentedString(unitPrice)).append("\n");
    sb.append("    updatedById: ").append(toIndentedString(updatedById)).append("\n");
    sb.append("    updatedDate: ").append(toIndentedString(updatedDate)).append("\n");
    sb.append("    orderLineItemId: ").append(toIndentedString(orderLineItemId)).append("\n");
    sb.append("    itemType: ").append(toIndentedString(itemType)).append("\n");
    sb.append("    purchaseOrderNumber: ").append(toIndentedString(purchaseOrderNumber)).append("\n");
    sb.append("    fulfillmentId: ").append(toIndentedString(fulfillmentId)).append("\n");
    sb.append("    numberOfDeliveries: ").append(toIndentedString(numberOfDeliveries)).append("\n");
    sb.append("    reflectDiscountInNetAmount: ").append(toIndentedString(reflectDiscountInNetAmount)).append("\n");
    sb.append("    revenueImpacting: ").append(toIndentedString(revenueImpacting)).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("amount");
    openapiFields.add("amountWithoutTax");
    openapiFields.add("appliedAmount");
    openapiFields.add("appliedToItemId");
    openapiFields.add("comment");
    openapiFields.add("createdById");
    openapiFields.add("createdDate");
    openapiFields.add("creditFromItemId");
    openapiFields.add("creditFromItemSource");
    openapiFields.add("creditTaxItems");
    openapiFields.add("description");
    openapiFields.add("excludeItemBillingFromRevenueAccounting");
    openapiFields.add("financeInformation");
    openapiFields.add("id");
    openapiFields.add("invoiceScheduleId");
    openapiFields.add("invoiceScheduleItemId");
    openapiFields.add("processingType");
    openapiFields.add("quantity");
    openapiFields.add("refundAmount");
    openapiFields.add("serviceEndDate");
    openapiFields.add("serviceStartDate");
    openapiFields.add("shipToContactId");
    openapiFields.add("sku");
    openapiFields.add("skuName");
    openapiFields.add("soldToContactId");
    openapiFields.add("soldToContactSnapshotId");
    openapiFields.add("sourceItemId");
    openapiFields.add("sourceItemType");
    openapiFields.add("subscriptionId");
    openapiFields.add("taxMode");
    openapiFields.add("taxationItems");
    openapiFields.add("unappliedAmount");
    openapiFields.add("unitOfMeasure");
    openapiFields.add("unitPrice");
    openapiFields.add("updatedById");
    openapiFields.add("updatedDate");
    openapiFields.add("orderLineItemId");
    openapiFields.add("itemType");
    openapiFields.add("purchaseOrderNumber");
    openapiFields.add("fulfillmentId");
    openapiFields.add("numberOfDeliveries");
    openapiFields.add("reflectDiscountInNetAmount");
    openapiFields.add("revenueImpacting");

    // 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 CreditMemoItem
   */
  public static void validateJsonElement(JsonElement jsonElement) throws IOException {
      if (jsonElement == null) {
        if (!CreditMemoItem.openapiRequiredFields.isEmpty()) { // has required fields but JSON element is null
          throw new IllegalArgumentException(String.format("The required field(s) %s in CreditMemoItem is not found in the empty JSON string", CreditMemoItem.openapiRequiredFields.toString()));
        }
      }
        JsonObject jsonObj = jsonElement.getAsJsonObject();
      if ((jsonObj.get("appliedToItemId") != null && !jsonObj.get("appliedToItemId").isJsonNull()) && !jsonObj.get("appliedToItemId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `appliedToItemId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("appliedToItemId").toString()));
      }
      if ((jsonObj.get("comment") != null && !jsonObj.get("comment").isJsonNull()) && !jsonObj.get("comment").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `comment` to be a primitive type in the JSON string but got `%s`", jsonObj.get("comment").toString()));
      }
      if ((jsonObj.get("createdById") != null && !jsonObj.get("createdById").isJsonNull()) && !jsonObj.get("createdById").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `createdById` to be a primitive type in the JSON string but got `%s`", jsonObj.get("createdById").toString()));
      }
      if ((jsonObj.get("createdDate") != null && !jsonObj.get("createdDate").isJsonNull()) && !jsonObj.get("createdDate").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `createdDate` to be a primitive type in the JSON string but got `%s`", jsonObj.get("createdDate").toString()));
      }
      if ((jsonObj.get("creditFromItemId") != null && !jsonObj.get("creditFromItemId").isJsonNull()) && !jsonObj.get("creditFromItemId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `creditFromItemId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("creditFromItemId").toString()));
      }
      if ((jsonObj.get("creditFromItemSource") != null && !jsonObj.get("creditFromItemSource").isJsonNull()) && !jsonObj.get("creditFromItemSource").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `creditFromItemSource` to be a primitive type in the JSON string but got `%s`", jsonObj.get("creditFromItemSource").toString()));
      }
      // validate the optional field `creditFromItemSource`
      if (jsonObj.get("creditFromItemSource") != null && !jsonObj.get("creditFromItemSource").isJsonNull()) {
        CreditFromItemSourceEnum.validateJsonElement(jsonObj.get("creditFromItemSource"));
      }
      if (jsonObj.get("creditTaxItems") != null && !jsonObj.get("creditTaxItems").isJsonNull()) {
        JsonArray jsonArraycreditTaxItems = jsonObj.getAsJsonArray("creditTaxItems");
        if (jsonArraycreditTaxItems != null) {
          // ensure the json data is an array
          if (!jsonObj.get("creditTaxItems").isJsonArray()) {
            throw new IllegalArgumentException(String.format("Expected the field `creditTaxItems` to be an array in the JSON string but got `%s`", jsonObj.get("creditTaxItems").toString()));
          }

          // validate the optional field `creditTaxItems` (array)
          for (int i = 0; i < jsonArraycreditTaxItems.size(); i++) {
            GetCreditMemoTaxItemResponse.validateJsonElement(jsonArraycreditTaxItems.get(i));
          };
        }
      }
      if ((jsonObj.get("description") != null && !jsonObj.get("description").isJsonNull()) && !jsonObj.get("description").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `description` to be a primitive type in the JSON string but got `%s`", jsonObj.get("description").toString()));
      }
      // validate the optional field `financeInformation`
      if (jsonObj.get("financeInformation") != null && !jsonObj.get("financeInformation").isJsonNull()) {
        CreditMemoItemFinanceInformation.validateJsonElement(jsonObj.get("financeInformation"));
      }
      if ((jsonObj.get("id") != null && !jsonObj.get("id").isJsonNull()) && !jsonObj.get("id").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("id").toString()));
      }
      if ((jsonObj.get("invoiceScheduleId") != null && !jsonObj.get("invoiceScheduleId").isJsonNull()) && !jsonObj.get("invoiceScheduleId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `invoiceScheduleId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoiceScheduleId").toString()));
      }
      if ((jsonObj.get("invoiceScheduleItemId") != null && !jsonObj.get("invoiceScheduleItemId").isJsonNull()) && !jsonObj.get("invoiceScheduleItemId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `invoiceScheduleItemId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("invoiceScheduleItemId").toString()));
      }
      if ((jsonObj.get("processingType") != null && !jsonObj.get("processingType").isJsonNull()) && !jsonObj.get("processingType").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `processingType` to be a primitive type in the JSON string but got `%s`", jsonObj.get("processingType").toString()));
      }
      // validate the optional field `processingType`
      if (jsonObj.get("processingType") != null && !jsonObj.get("processingType").isJsonNull()) {
        BillingDocumentItemProcessingType.validateJsonElement(jsonObj.get("processingType"));
      }
      if ((jsonObj.get("shipToContactId") != null && !jsonObj.get("shipToContactId").isJsonNull()) && !jsonObj.get("shipToContactId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `shipToContactId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("shipToContactId").toString()));
      }
      if ((jsonObj.get("sku") != null && !jsonObj.get("sku").isJsonNull()) && !jsonObj.get("sku").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `sku` to be a primitive type in the JSON string but got `%s`", jsonObj.get("sku").toString()));
      }
      if ((jsonObj.get("skuName") != null && !jsonObj.get("skuName").isJsonNull()) && !jsonObj.get("skuName").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `skuName` to be a primitive type in the JSON string but got `%s`", jsonObj.get("skuName").toString()));
      }
      if ((jsonObj.get("soldToContactId") != null && !jsonObj.get("soldToContactId").isJsonNull()) && !jsonObj.get("soldToContactId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `soldToContactId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("soldToContactId").toString()));
      }
      if ((jsonObj.get("soldToContactSnapshotId") != null && !jsonObj.get("soldToContactSnapshotId").isJsonNull()) && !jsonObj.get("soldToContactSnapshotId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `soldToContactSnapshotId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("soldToContactSnapshotId").toString()));
      }
      if ((jsonObj.get("sourceItemId") != null && !jsonObj.get("sourceItemId").isJsonNull()) && !jsonObj.get("sourceItemId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `sourceItemId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("sourceItemId").toString()));
      }
      if ((jsonObj.get("sourceItemType") != null && !jsonObj.get("sourceItemType").isJsonNull()) && !jsonObj.get("sourceItemType").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `sourceItemType` to be a primitive type in the JSON string but got `%s`", jsonObj.get("sourceItemType").toString()));
      }
      // validate the optional field `sourceItemType`
      if (jsonObj.get("sourceItemType") != null && !jsonObj.get("sourceItemType").isJsonNull()) {
        BillingDocumentItemSourceType.validateJsonElement(jsonObj.get("sourceItemType"));
      }
      if ((jsonObj.get("subscriptionId") != null && !jsonObj.get("subscriptionId").isJsonNull()) && !jsonObj.get("subscriptionId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `subscriptionId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("subscriptionId").toString()));
      }
      if ((jsonObj.get("taxMode") != null && !jsonObj.get("taxMode").isJsonNull()) && !jsonObj.get("taxMode").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `taxMode` to be a primitive type in the JSON string but got `%s`", jsonObj.get("taxMode").toString()));
      }
      // validate the optional field `taxMode`
      if (jsonObj.get("taxMode") != null && !jsonObj.get("taxMode").isJsonNull()) {
        TaxMode.validateJsonElement(jsonObj.get("taxMode"));
      }
      // validate the optional field `taxationItems`
      if (jsonObj.get("taxationItems") != null && !jsonObj.get("taxationItems").isJsonNull()) {
        GetCreditMemoItemTaxationItems.validateJsonElement(jsonObj.get("taxationItems"));
      }
      if ((jsonObj.get("unitOfMeasure") != null && !jsonObj.get("unitOfMeasure").isJsonNull()) && !jsonObj.get("unitOfMeasure").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `unitOfMeasure` to be a primitive type in the JSON string but got `%s`", jsonObj.get("unitOfMeasure").toString()));
      }
      if ((jsonObj.get("updatedById") != null && !jsonObj.get("updatedById").isJsonNull()) && !jsonObj.get("updatedById").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `updatedById` to be a primitive type in the JSON string but got `%s`", jsonObj.get("updatedById").toString()));
      }
      if ((jsonObj.get("updatedDate") != null && !jsonObj.get("updatedDate").isJsonNull()) && !jsonObj.get("updatedDate").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `updatedDate` to be a primitive type in the JSON string but got `%s`", jsonObj.get("updatedDate").toString()));
      }
      if ((jsonObj.get("orderLineItemId") != null && !jsonObj.get("orderLineItemId").isJsonNull()) && !jsonObj.get("orderLineItemId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `orderLineItemId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("orderLineItemId").toString()));
      }
      if ((jsonObj.get("itemType") != null && !jsonObj.get("itemType").isJsonNull()) && !jsonObj.get("itemType").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `itemType` to be a primitive type in the JSON string but got `%s`", jsonObj.get("itemType").toString()));
      }
      if ((jsonObj.get("purchaseOrderNumber") != null && !jsonObj.get("purchaseOrderNumber").isJsonNull()) && !jsonObj.get("purchaseOrderNumber").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `purchaseOrderNumber` to be a primitive type in the JSON string but got `%s`", jsonObj.get("purchaseOrderNumber").toString()));
      }
      if ((jsonObj.get("fulfillmentId") != null && !jsonObj.get("fulfillmentId").isJsonNull()) && !jsonObj.get("fulfillmentId").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `fulfillmentId` to be a primitive type in the JSON string but got `%s`", jsonObj.get("fulfillmentId").toString()));
      }
      if ((jsonObj.get("revenueImpacting") != null && !jsonObj.get("revenueImpacting").isJsonNull()) && !jsonObj.get("revenueImpacting").isJsonPrimitive()) {
        throw new IllegalArgumentException(String.format("Expected the field `revenueImpacting` to be a primitive type in the JSON string but got `%s`", jsonObj.get("revenueImpacting").toString()));
      }
      // validate the optional field `revenueImpacting`
      if (jsonObj.get("revenueImpacting") != null && !jsonObj.get("revenueImpacting").isJsonNull()) {
        MemoDetailRevenueImpacting.validateJsonElement(jsonObj.get("revenueImpacting"));
      }
  }

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

       return (TypeAdapter) new TypeAdapter() {
           @Override
           public void write(JsonWriter out, CreditMemoItem 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 CreditMemoItem read(JsonReader in) throws IOException {
             JsonElement jsonElement = elementAdapter.read(in);
             validateJsonElement(jsonElement);
             JsonObject jsonObj = jsonElement.getAsJsonObject();
             // store additional fields in the deserialized instance
             CreditMemoItem 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 CreditMemoItem given an JSON string
   *
   * @param jsonString JSON string
   * @return An instance of CreditMemoItem
   * @throws IOException if the JSON string is invalid with respect to CreditMemoItem
   */
  public static CreditMemoItem fromJson(String jsonString) throws IOException {
    return JSON.getGson().fromJson(jsonString, CreditMemoItem.class);
  }

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





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