@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        type_ = 0;
        position_ = null;
        if (positionBuilder_ != null) {
          positionBuilder_.dispose();
          positionBuilder_ = null;
        }
        return this;
      }
<pre>
A face-specific landmark (for example, a face feature).
</pre>

Protobuf type {@code google.cloud.vision.v1p2beta1.FaceAnnotation.Landmark}
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/FaceAnnotation.java