@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (verticesBuilder_ == null) {
        vertices_ = java.util.Collections.emptyList();
      } else {
        vertices_ = null;
        verticesBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000001);
      if (normalizedVerticesBuilder_ == null) {
        normalizedVertices_ = java.util.Collections.emptyList();
      } else {
        normalizedVertices_ = null;
        normalizedVerticesBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000002);
      return this;
    }
<pre>
A bounding polygon for the detected image annotation.
</pre>

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