private void ensureLocationsIsMutable() {
      if (!((bitField0_ & 0x00000080) != 0)) {
        locations_ =
            new java.util.ArrayList<com.google.cloud.vision.v1p2beta1.LocationInfo>(locations_);
        bitField0_ |= 0x00000080;
      }
    }
<pre>
Image region to which this entity belongs. Not produced
for `LABEL_DETECTION` features.
</pre>

<code>.google.cloud.vision.v1p2beta1.BoundingPoly bounding_poly = 7;</code>
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/EntityAnnotation.java