code: public TransformersSubRegistration registerSubsystemTransformers(final String name, final ModelVersionRange range, final ResourceTransformer subsystemTransformer) {
          return  registerSubsystemTransformers(name, range, subsystemTransformer, OperationTransformer.DEFAULT, false);
      }
docs: Register a subsystem transformer.
  
  @param name the subsystem name
  @param range the version range
  @param subsystemTransformer the resource transformer
  @return the sub registry