docs: function ifHelper(context, options) {
        Ember.assert("You must pass exactly one argument to the if helper", arguments.length === 2);
        Ember.assert("You must pass a block to the if helper", options.fn && options.fn !== Handlebars.VM.noop);
  
        options.helperName = options.helperName || ('if ' + context);
  
        if (options.data.isUnbound) {
          return helpers.unboundIf.call(options.contexts[0], context, options);
        } else {
          return helpers.boundIf.call(options.contexts[0], context, options);
        }
      }