docs: function (otherRecognizer) {
      if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {
        return this;
      }
  
      var requireFail = this.requireFail;
      otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
      if (requireFail.indexOf(otherRecognizer) < 0) {
        requireFail.push(otherRecognizer);
        otherRecognizer.requireFailure(this);
      }
      return this;
    }