docs: function(props) {
          // Calling super is only OK here since we KNOW that
          // there is another Mixin loaded first.
          this._super.apply(this, arguments);
  
          var modelSpecified = !!props.model;
  
          if (props.content && !modelSpecified) {
            props.model = props.content;
            delete props['content'];
  
            Ember.deprecate('Do not specify `content` on a Controller, use `model` instead.', false);
          }
        }