@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      boundingPoly_ = null;
      if (boundingPolyBuilder_ != null) {
        boundingPolyBuilder_.dispose();
        boundingPolyBuilder_ = null;
      }
      confidence_ = 0F;
      importanceFraction_ = 0F;
      return this;
    }
<pre>
Single crop hint that is used to generate a new crop when serving an image.
</pre>

Protobuf type {@code google.cloud.vision.v1p3beta1.CropHint}
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/CropHint.java