code: public static <V> ExecutorCommand<V> executor(String circuitName) {
          CommandConfig commandConfig = new CommandConfig();
          commandConfig.setCommandName(circuitName);
          return new ExecutorCommand<>(commandConfig);
      }
docs: Creates new executor with circuit breaker with name {@code circuitName}
  used to determine if circuit is closed or open by another executors.
  
  @param <V> type returned by callable methods
  @param circuitName used to enable circuit breaker
  @return {@code ExecutorCommand<V>}