public Builder mergeFrom(com.google.cloud.vision.v1.FaceAnnotation.Landmark other) {
        if (other == com.google.cloud.vision.v1.FaceAnnotation.Landmark.getDefaultInstance())
          return this;
        if (other.type_ != 0) {
          setTypeValue(other.getTypeValue());
        }
        if (other.hasPosition()) {
          mergePosition(other.getPosition());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
A face-specific landmark (for example, a face feature).
</pre>

Protobuf type {@code google.cloud.vision.v1.FaceAnnotation.Landmark}
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/FaceAnnotation.java