@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      x_ = 0;
      y_ = 0;
      return this;
    }
<pre>
A vertex represents a 2D point in the image.
NOTE: the vertex coordinates are in the same scale as the original image.
</pre>

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