code: public ServiceFuture<String> importMethodAsync(UUID appId, LuisApp luisApp, ImportMethodVersionsOptionalParameter importMethodOptionalParameter, final ServiceCallback<String> serviceCallback) {
          return ServiceFuture.fromResponse(importMethodWithServiceResponseAsync(appId, luisApp, importMethodOptionalParameter), serviceCallback);
      }
docs: Imports a new version into a LUIS application.
  
  @param appId The application ID.
  @param luisApp A LUIS application structure.
  @param importMethodOptionalParameter the object representing the optional parameters to be set before calling this API
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object