docs: function(content, start, removedCount) {
          // If the contents were empty before and this template collection has an
          // empty view remove it now.
          var emptyView = get(this, 'emptyView');
          if (emptyView && emptyView instanceof View) {
            emptyView.removeFromParent();
          }
  
          // Loop through child views that correspond with the removed items.
          // Note that we loop from the end of the array to the beginning because
          // we are mutating it as we go.
          var childViews = this._childViews;
          var childView, idx;
  
          for (idx = start + removedCount - 1; idx >= start; idx--) {
            childView = childViews[idx];
            childView.destroy();
          }
        }