@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (type_
          != com.google.cloud.vision.v1p4beta1.FaceAnnotation.Landmark.Type.UNKNOWN_LANDMARK
              .getNumber()) {
        output.writeEnum(3, type_);
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(4, getPosition());
      }
      getUnknownFields().writeTo(output);
    }
<pre>
Face landmark position.
</pre>

<code>.google.cloud.vision.v1p4beta1.Position position = 4;</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/FaceAnnotation.java