import * as React from 'react';
/**
 * Base size of the canvas, 1 for parallel layout and 2 for alternate layout
 * Only alternate layout is currently supported
 */
export declare const BaseSize = 2;
export declare const FontGap = 3;
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;