import * as React from 'react';
export type AppendWatermark = (base64Url: string, markWidth: number, container: HTMLElement) => void;
declare const useWatermark: (markStyle: React.CSSProperties, onRemove?: () => void) => [appendWatermark: AppendWatermark, removeWatermark: (container: HTMLElement) => void, isWatermarkEle: (ele: Node, index?: number) => boolean];
export default useWatermark;