Java codegen swagger-codegen output on a simple chainLinks JSON schema

ChainLinks.java

/*
 * Chain Links
 * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
 *
 * OpenAPI spec version: 1.0.0
 * 
 *
 * NOTE: This class is auto generated by the swagger code generator program.
 * https://github.com/swagger-api/swagger-codegen.git
 * Do not edit the class manually.
 */

package io.swagger.client.model;

import java.util.Objects;
import java.util.Arrays;
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 io.swagger.v3.oas.annotations.media.Schema;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
 * A page of chain link items from a collection of chain links.
 */
@Schema(description = "A page of chain link items from a collection of chain links.")
@javax.annotation.Generated(value = "io.swagger.codegen.v3.generators.java.JavaClientCodegen", date = "2023-05-15T19:32:32.803029-04:00[America/New_York]")
public class ChainLinks {
  @SerializedName("items")
  private List<Object> items = null;

  public ChainLinks items(List<Object> items) {
    this.items = items;
    return this;
  }

  public ChainLinks addItemsItem(Object itemsItem) {
    if (this.items == null) {
      this.items = new ArrayList<Object>();
    }
    this.items.add(itemsItem);
    return this;
  }

   /**
   * A list of chain links in this page
   * @return items
  **/
  @Schema(description = "A list of chain links in this page")
  public List<Object> getItems() {
    return items;
  }

  public void setItems(List<Object> items) {
    this.items = items;
  }


  @Override
  public boolean equals(java.lang.Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    ChainLinks chainLinks = (ChainLinks) o;
    return Objects.equals(this.items, chainLinks.items);
  }

  @Override
  public int hashCode() {
    return Objects.hash(items);
  }


  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("class ChainLinks {\n");
    
    sb.append("    items: ").append(toIndentedString(items)).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(java.lang.Object o) {
    if (o == null) {
      return "null";
    }
    return o.toString().replace("\n", "\n    ");
  }

}