code: function getInlineEditors(hostEditor) {
          var inlineEditors = [];
  
          if (hostEditor) {
              hostEditor.getInlineWidgets().forEach(function (widget) {
                  if (widget instanceof InlineTextEditor && widget.editor) {
                      inlineEditors.push(widget.editor);
                  }
              });
          }
  
          return inlineEditors;
      }
docs: @private
  Given a host editor, return a list of all Editors in all its open inline widgets. (Ignoring
  any other inline widgets that might be open but don't contain Editors).
  @param {!Editor} hostEditor
  @return {Array.<Editor>}