private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Struct,
            com.google.protobuf.Struct.Builder,
            com.google.protobuf.StructOrBuilder>
        getCustomizedStructDataValueFieldBuilder() {
      if (customizedStructDataValueBuilder_ == null) {
        if (!(valueCase_ == 10)) {
          value_ = com.google.protobuf.Struct.getDefaultInstance();
        }
        customizedStructDataValueBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Struct,
                com.google.protobuf.Struct.Builder,
                com.google.protobuf.StructOrBuilder>(
                (com.google.protobuf.Struct) value_, getParentForChildren(), isClean());
        value_ = null;
      }
      valueCase_ = 10;
      onChanged();
      return customizedStructDataValueBuilder_;
    }
<pre>
Value of customized struct annotation. This field does not have effects.
Use customized_struct_value instead for customized struct annotation.
</pre>

<code>.google.protobuf.Struct customized_struct_data_value = 10;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AnnotationValue.java