@java.lang.Override
    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return super.clearOneof(oneof);
    }
<pre>
A vertex represents a 2D point in the image.
NOTE: the normalized vertex coordinates are relative to the original image
and range from 0 to 1.
</pre>

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