import { Vector3Like } from 'three/webgpu';
import { DIVELightComponent } from '../LightComponent.ts';
/**
 * Parallel light from a fixed direction, the usual choice for sunlight. Casts
 * shadows.
 *
 * @module
 */
export declare class DirectionalLightComponent extends DIVELightComponent {
    readonly isDirectionalLightComponent: true;
    constructor();
    /**
     * Sets the direction the light shines from.
     *
     * three takes a directional light's direction from its world position
     * relative to its target, which defaults to the world origin. So this is a
     * direction, not a location: moving the node does not change where the light
     * comes from, and it must never be the zero vector.
     *
     * @param direction - Where the light shines from. Must not be zero-length.
     */
    setDirection(direction: Vector3Like): void;
}