import type { WebGLRenderer } from '../../core';
import type { EffectProperties, Node, Viewport } from '../main';
import { Effect } from '../main/Effect';
import { Material } from '../resources';
export interface GaussianBlurEffectProperties extends EffectProperties {
    strength: number;
    quality: number;
}
export declare class GaussianBlurEffect extends Effect {
    static materialX: Material;
    static materialY: Material;
    strength: number;
    quality: number;
    constructor(properties?: Partial<GaussianBlurEffectProperties>, children?: Node[]);
    apply(renderer: WebGLRenderer, source: Viewport): void;
}