docs: function(paramSize, name) {
        this.context.aliases.helperMissing = 'helpers.helperMissing';
  
        var helper = this.lastHelper = this.setupHelper(paramSize, name);
        this.register('foundHelper', helper.name);
  
        this.pushStack("foundHelper ? foundHelper.call(" +
          helper.callParams + ") " + ": helperMissing.call(" +
          helper.helperMissingParams + ")");
      }