@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        annotation_ = null;
        if (annotationBuilder_ != null) {
          annotationBuilder_.dispose();
          annotationBuilder_ = null;
        }
        return this;
      }
<pre>
A general annotation message that uses struct format to represent different
concrete annotation protobufs.
</pre>

Protobuf type {@code
google.cloud.visionai.v1.AppPlatformCloudFunctionResponse.StructedOutputAnnotation}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AppPlatformCloudFunctionResponse.java