private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.vision.v1p3beta1.CropHintsParams,
            com.google.cloud.vision.v1p3beta1.CropHintsParams.Builder,
            com.google.cloud.vision.v1p3beta1.CropHintsParamsOrBuilder>
        getCropHintsParamsFieldBuilder() {
      if (cropHintsParamsBuilder_ == null) {
        cropHintsParamsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.vision.v1p3beta1.CropHintsParams,
                com.google.cloud.vision.v1p3beta1.CropHintsParams.Builder,
                com.google.cloud.vision.v1p3beta1.CropHintsParamsOrBuilder>(
                getCropHintsParams(), getParentForChildren(), isClean());
        cropHintsParams_ = null;
      }
      return cropHintsParamsBuilder_;
    }
<pre>
Parameters for crop hints annotation request.
</pre>

<code>.google.cloud.vision.v1p3beta1.CropHintsParams crop_hints_params = 4;</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/ImageContext.java