import * as THREE from 'three/webgpu';
import type { LightShadow, NodeBuilder, NodeFrame } from 'three/webgpu';
export interface SharedShadowRenderTarget {
    shadowMap: THREE.RenderTarget;
    depthTexture: THREE.DepthTexture | null;
}
export interface SharedShadowSource {
    shadowMap: THREE.RenderTarget | null;
}
declare module 'three/webgpu' {
    interface ShadowNode {
        setupRenderTarget(shadow: LightShadow, builder: NodeBuilder): SharedShadowRenderTarget;
    }
}
type SharedShadowNodeConstructor = typeof THREE.ShadowNode & {
    new (light: THREE.Light, shadow?: LightShadow | null): THREE.ShadowNode;
};
declare const SharedShadowNode_base: SharedShadowNodeConstructor;
/**
 * Shadow node that shares one rendered shadow map while compiling independent receiver-position graphs.
 */
export declare class SharedShadowNode extends SharedShadowNode_base {
    source: SharedShadowSource | null;
    constructor(light: THREE.Light, source?: SharedShadowSource | null);
    setupRenderTarget(shadow: LightShadow, builder: NodeBuilder): SharedShadowRenderTarget;
    updateBefore(frame: NodeFrame): undefined;
}
export {};