content: package dev.ai4j.openai4j.chat;
  
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.fasterxml.jackson.databind.PropertyNamingStrategies;
  import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
  import com.fasterxml.jackson.databind.annotation.JsonNaming;
  import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
  
  import java.util.*;
  
  @JsonDeserialize(builder = JsonObjectSchema.Builder.class)
  @JsonInclude(JsonInclude.Include.NON_NULL)
  @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
  public class JsonObjectSchema extends JsonSchemaElement {
  
      @JsonProperty
      private final String description;
      @JsonProperty
      private final Map<String, JsonSchemaElement> properties;
      @JsonProperty
      private final List<String> required;
      @JsonProperty("additionalProperties")
      private final Boolean additionalProperties;
      @JsonProperty("$defs")
      private final Map<String, JsonSchemaElement> definitions;
  
      public JsonObjectSchema(Builder builder) {
          super("object");
          this.description = builder.description;
          this.properties = new LinkedHashMap<>(builder.properties);
          this.required = new ArrayList<>(builder.required);
          this.additionalProperties = builder.additionalProperties;
          this.definitions = builder.definitions == null ? null : new LinkedHashMap<>(builder.definitions);
      }
  
      @Override
      public boolean equals(Object another) {
          if (this == another) return true;
          return another instanceof JsonObjectSchema
                  && equalTo((JsonObjectSchema) another);
      }
  
      private boolean equalTo(JsonObjectSchema another) {
          return Objects.equals(description, another.description)
                  && Objects.equals(properties, another.properties)
                  && Objects.equals(required, another.required)
                  && Objects.equals(additionalProperties, another.additionalProperties)
                  && Objects.equals(definitions, another.definitions);
      }
  
      @Override
      public int hashCode() {
          int h = 5381;
          h += (h << 5) + Objects.hashCode(description);
          h += (h << 5) + Objects.hashCode(properties);
          h += (h << 5) + Objects.hashCode(required);
          h += (h << 5) + Objects.hashCode(additionalProperties);
          h += (h << 5) + Objects.hashCode(definitions);
          return h;
      }
  
      @Override
      public String toString() {
          return "JsonObjectSchema{" +
                  "description=" + description +
                  ", properties=" + properties +
                  ", required=" + required +
                  ", additionalProperties=" + additionalProperties +
                  ", definitions=" + definitions +
                  "}";
      }
  
      public static Builder builder() {
          return new Builder();
      }
  
      @JsonPOJOBuilder(withPrefix = "")
      @JsonIgnoreProperties(ignoreUnknown = true)
      @JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
      public static class Builder {
  
          private String description;
          private Map<String, JsonSchemaElement> properties = new LinkedHashMap<>();
          private List<String> required = new ArrayList<>();
          private Boolean additionalProperties;
          private Map<String, JsonSchemaElement> definitions;
  
          public Builder description(String description) {
              this.description = description;
              return this;
          }
  
          public Builder properties(Map<String, JsonSchemaElement> properties) {
              this.properties = properties;
              return this;
          }
  
          public Builder required(List<String> required) {
              this.required = required;
              return this;
          }
  
          public Builder additionalProperties(Boolean additionalProperties) {
              this.additionalProperties = additionalProperties;
              return this;
          }
  
          public Builder definitions(Map<String, JsonSchemaElement> definitions) {
              this.definitions = definitions;
              return this;
          }
  
          public JsonObjectSchema build() {
              return new JsonObjectSchema(this);
          }
      }
  }
  