code: public Observable<UUID> importMethodAsync(LuisApp luisApp, ImportMethodAppsOptionalParameter importMethodOptionalParameter) {
          return importMethodWithServiceResponseAsync(luisApp, importMethodOptionalParameter).map(new Func1<ServiceResponse<UUID>, UUID>() {
              @Override
              public UUID call(ServiceResponse<UUID> response) {
                  return response.body();
              }
          });
      }
docs: Imports an application to LUIS, the application's structure should be included in in the request body.
  
  @param luisApp A LUIS application structure.
  @param importMethodOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the UUID object