code: private void setAsyncSupported(AsyncSupportedDescriptor asyncSupportedDescriptor, TrueFalseType asyncSupported) {
          if (asyncSupported != null) {
              asyncSupportedDescriptor.setAsyncSupported(asyncSupported.isValue());
          }
      }
docs: Set the value for an async supported on the given descriptor.
  
  @param asyncSupportedDescriptor
  The async supported descriptor.
  @param asyncSupported
  The value.