import { RenderTarget } from "../core/types";
import { Plugin } from "./types";
export interface IWatermarkConfig {
    enable?: boolean;
    text?: string | string[];
    opacity?: number;
    fontSize?: number;
    fontWeight?: number | string;
    color?: string;
    strokeColor?: string;
    strokeWidth?: number;
    rotate?: number;
    gapX?: number;
    gapY?: number;
    maxColumns?: number;
    maxRows?: number;
    zIndex?: number;
}
export declare const mergeWatermarkConfig: (...configs: Array<IWatermarkConfig | undefined>) => IWatermarkConfig;
declare class WatermarkPlugin extends Plugin<HTMLDivElement> {
    private _config;
    private _resizeObserver?;
    constructor(config?: IWatermarkConfig);
    init(_container?: RenderTarget): RenderTarget;
    protected beforeDestroy(): void;
    render(): void;
}
export default WatermarkPlugin;