import type Parent from '../../block/base/parent';
import type Muya from '../../index';
declare class FrontButton {
    muya: Muya;
    name: string;
    resizeObserver: ResizeObserver | null;
    private options;
    private block;
    private oldVNode;
    private status;
    private floatBox;
    private container;
    private iconWrapper;
    private popper;
    private dragTimer;
    private dragInfo;
    private ghost;
    private shadow;
    private disableListen;
    private dragEvents;
    constructor(muya: Muya, options?: {});
    init(): void;
    listen(): void;
    dragBarMouseDown: (event: Event) => void;
    dragBarMouseUp: () => void;
    mouseMove: (event: Event) => void;
    mouseUp: (event: Event) => void;
    startDrag: () => void;
    createStyledGhost(rect: DOMRect, position: 'down' | 'up'): void;
    createStyledShadow(): void;
    moveShadow(event: Event): void;
    destroyShadow(): void;
    render(): void;
    hide(): void;
    show(block: Parent): void;
    destroy(): void;
}
export default FrontButton;