import type { Object3D } from 'three/webgpu';
import { InstanceObject, ModelInstancedLayer } from 'u-space';
export declare class SceneInstanceObject extends InstanceObject {
    isSceneInstanceObject: boolean;
    type: string;
    constructor();
}
export declare class SceneInstancedLayer extends ModelInstancedLayer<SceneInstanceObject> {
    isSceneInstancedLayer: boolean;
    type: string;
    constructor();
}
export type SceneInstanceReference = SceneInstanceObject | Object3D;