public Builder mergeCustomizedStructDataValue(com.google.protobuf.Struct value) {
      if (customizedStructDataValueBuilder_ == null) {
        if (valueCase_ == 10 && value_ != com.google.protobuf.Struct.getDefaultInstance()) {
          value_ =
              com.google.protobuf.Struct.newBuilder((com.google.protobuf.Struct) value_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          value_ = value;
        }
        onChanged();
      } else {
        if (valueCase_ == 10) {
          customizedStructDataValueBuilder_.mergeFrom(value);
        } else {
          customizedStructDataValueBuilder_.setMessage(value);
        }
      }
      valueCase_ = 10;
      return this;
    }
<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