docs: function(types) {
  			if (textUtil.compare(this._textAnnotationTypesVisible, types)) return;
  			this._textAnnotationTypesVisible = types;
  			if (!this._annotationStyler || !this._textView) { return; }
  			this._annotationStyler.setAnnotationTypeVisible(types);
  			this._textView.redrawLines(0, undefined);
  		}