import { Light } from '../light/Light';
import { Point, Renderer } from '@pixi/core';
import { DisplayObject } from '@pixi/display';
/**
 * Directional light is drawn using a full-screen quad.
 * @memberof PIXI.lights
 */
export declare class DirectionalLight extends Light {
    target: DisplayObject | Point;
    /**
     * @param {number} [color=0xFFFFFF] - The color of the light.
     * @param {number} [brightness=1] - The intensity of the light.
     * @param {PIXI.DisplayObject|PIXI.Point} [target] - The object in the scene to target.
     */
    constructor(color: number | undefined, brightness: number | undefined, target: DisplayObject | Point);
    /**
     * Sync shader
     * @param {PIXI.Renderer} renderer - Renderer
     */
    syncShader(renderer: Renderer): void;
}