import { VegaRTEExtension } from '../extension.abstract';
/**
 * Function extension class for Vega Rich Text Editor.
 */
export declare class VegaRTEFunctionExtension extends VegaRTEExtension {
  private toolbarButtonRenderer;
  constructor();
  /**
   * Remove the appen children strategies to prevent default insert new paragraph logic in function block
   */
  private preventFunctionBlockDefaultInsertNewParagraph;
}
