code: public ServiceFuture<FileStorageInfoInner> readWriteAsync(String groupName, String serviceName, String projectName, String fileName, final ServiceCallback<FileStorageInfoInner> serviceCallback) {
          return ServiceFuture.fromResponse(readWriteWithServiceResponseAsync(groupName, serviceName, projectName, fileName), serviceCallback);
      }
docs: Request information for reading and writing file content.
  This method is used for requesting information for reading and writing the file content.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @param projectName Name of the project
  @param fileName Name of the File
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object