import type { Editor } from '../../externals.js';
import { UmbTiptapToolbarElementApiBase } from '../tiptap-toolbar-element-api-base.js';
import type { UmbControllerHost } from '../../../../libs/controller-api/index.js';
export default class UmbTiptapBlockPickerToolbarExtension extends UmbTiptapToolbarElementApiBase {
    #private;
    constructor(host: UmbControllerHost);
    isActive(editor?: Editor): boolean;
    execute(): Promise<void>;
}