import type { ToolbarController } from './Toolbar';
import type { ToolbarElement } from './ToolbarElement';
export interface IToolbarConfig {
    height: number;
    buttons: string[][];
    headings: Array<'text' | 'title' | 'subtitle' | 'h1' | 'h2' | 'h3' | 'h4'>;
    fontSize: number[];
    createToolbarElement: (name: string, toolbar: ToolbarController) => ToolbarElement | null;
}
export declare const DEFAULT_TOOLBAR_CONFIG: IToolbarConfig;