code: public StopStrategy getStopStrategy() {
          return this.stopStrategy = (null == this.stopStrategy ? new StopStrategy() {
              //A stop strategy which never stops retrying
              @Override public boolean shouldStop(int previousAttemptNumber, long delaySinceFirstAttemptInMillis) {
                  return false;
              }
          } : this.stopStrategy);
      }
docs: Returns current {@link StopStrategy} instance
  
  @return