private void buildPartial0(
          com.google.cloud.visionai.v1.AppPlatformCloudFunctionResponse.StructedOutputAnnotation
              result) {
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.annotation_ =
              annotationBuilder_ == null ? annotation_ : annotationBuilder_.build();
          to_bitField0_ |= 0x00000001;
        }
        result.bitField0_ |= to_bitField0_;
      }
<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