public com.google.cloud.vision.v1.DominantColorsAnnotationOrBuilder
        getDominantColorsOrBuilder() {
      if (dominantColorsBuilder_ != null) {
        return dominantColorsBuilder_.getMessageOrBuilder();
      } else {
        return dominantColors_ == null
            ? com.google.cloud.vision.v1.DominantColorsAnnotation.getDefaultInstance()
            : dominantColors_;
      }
    }
<pre>
If present, dominant colors completed successfully.
</pre>

<code>.google.cloud.vision.v1.DominantColorsAnnotation dominant_colors = 1;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageProperties.java