private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1p1beta1.CropHint,
            com.google.cloud.vision.v1p1beta1.CropHint.Builder,
            com.google.cloud.vision.v1p1beta1.CropHintOrBuilder>
        getCropHintsFieldBuilder() {
      if (cropHintsBuilder_ == null) {
        cropHintsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1p1beta1.CropHint,
                com.google.cloud.vision.v1p1beta1.CropHint.Builder,
                com.google.cloud.vision.v1p1beta1.CropHintOrBuilder>(
                cropHints_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        cropHints_ = null;
      }
      return cropHintsBuilder_;
    }
<pre>
Crop hint results.
</pre>

<code>repeated .google.cloud.vision.v1p1beta1.CropHint crop_hints = 1;</code>
java-vision/proto-google-cloud-vision-v1p1beta1/src/main/java/com/google/cloud/vision/v1p1beta1/CropHintsAnnotation.java