import type { GlRenderer } from '../../core';
import type { EffectProperties, Node, Viewport } from '../main';
import type { Texture2D } from '../resources';
import { Effect } from '../main/Effect';
import { Material } from '../resources';
export type CheckerboardStyle = 'grid' | 'gridDark' | 'dot';
export interface DrawboardEffectProperties extends EffectProperties {
    checkerboard?: boolean;
    checkerboardStyle?: CheckerboardStyle;
    pixelGrid?: boolean;
    watermark?: string;
    watermarkWidth?: number;
    watermarkAlpha?: number;
    watermarkRotation?: number;
}
export declare class DrawboardEffect extends Effect {
    checkerboard: boolean;
    checkerboardStyle: CheckerboardStyle;
    pixelGrid: boolean;
    watermark?: string;
    watermarkWidth: number;
    watermarkAlpha: number;
    watermarkRotation: number;
    protected _watermark?: Texture2D;
    static material: Material;
    constructor(properties?: Partial<DrawboardEffectProperties>, children?: Node[]);
    protected _updateProperty(key: string, value: any, oldValue: any): void;
    protected _loadWatermark(value?: string): Promise<void>;
    protected _checkerboardStyleMap: Record<CheckerboardStyle, number>;
    apply(renderer: GlRenderer, source: Viewport): void;
}