import { IRenderer, ISpecification, IRenderable, IStackeable } from '../../api';
/**
 * Implementation of the 'block' markup element. A div HTML element
 * is created and the and the classes lto-block is added to
 * allow CSS modifications.
 *
 * @see {@link IRenderable}
 * @see {@link IStackeable}
 */
export declare class Block implements IRenderable, IStackeable {
    private readonly spec;
    constructor(message: ISpecification);
    /**
     * @inheritDoc
     */
    render(renderer: IRenderer, isNested: boolean): HTMLElement;
}
