code: public AttemptTimelimit<R> getTimelimiter() {
          return this.tryTimeout = (null == this.tryTimeout ? new AttemptTimelimit<R>() {
              //An implementation which actually does not attempt to limit time at all
              @Override public R call(Callable<R> callable) throws Exception {
                  return checkNotNull(callable).call();
              }
          } : this.tryTimeout);
      }
docs: Returns current {@link AttemptTimelimit} instance
  
  @return