content: package dev.ai4j.openai4j.image;
  
  /**
   * Represents an OpenAI DALL·E models to generate artistic images.
   */
  public enum ImageModel {
  
      DALL_E_2("dall-e-2"),
      DALL_E_3("dall-e-3");
  
      public static final String DALL_E_SIZE_256_x_256 = "256x256"; // for 2 only
      public static final String DALL_E_SIZE_512_x_512 = "512x512"; // for 2 only
      public static final String DALL_E_SIZE_1024_x_1024 = "1024x1024"; // for 2 & 3
      public static final String DALL_E_SIZE_1792_x_1024 = "1792x1024"; // for 3 only
      public static final String DALL_E_SIZE_1024_x_1792 = "1024x1792"; // for 3 only
      public static final String DALL_E_QUALITY_STANDARD = "standard";
      public static final String DALL_E_QUALITY_HD = "hd";
      public static final String DALL_E_STYLE_VIVID = "vivid";
      public static final String DALL_E_STYLE_NATURAL = "natural";
  
      public static final String DALL_E_RESPONSE_FORMAT_URL = "url";
      public static final String DALL_E_RESPONSE_FORMAT_B64_JSON = "b64_json";
  
      private final String value;
  
      ImageModel(String value) {
          this.value = value;
      }
  
      @Override
      public String toString() {
          return value;
      }
  }
  