import { UmbTiptapToolbarElementApiBase } from '../tiptap-toolbar-element-api-base.js';
import type { Editor } from '../../externals.js';
import type { MetaTiptapToolbarMenuItem } from '../types.js';
export default class UmbTiptapToolbarFontSizeExtensionApi extends UmbTiptapToolbarElementApiBase {
    isActive(editor?: Editor, item?: MetaTiptapToolbarMenuItem): boolean;
    execute(editor?: Editor, item?: MetaTiptapToolbarMenuItem): void;
}