import { ToolbarExtension } from "../../ToolbarExtension";
import { UnderlineToolbarProperties, UnderlineMenuBar } from "../../../../models";
export default class UnderlineToolbar extends ToolbarExtension implements UnderlineToolbarProperties {
    menubar: UnderlineMenuBar;
    private loc;
    mounted(): void;
    render(): VueTsxSupport.JSX.Element;
    getToolbarButtonActiveStyle(val: boolean): string;
}