import type { Option } from '../types';
import type { Writable } from 'svelte/store';
import type * as THREE from 'three';
import type { EffectComposer } from 'three-stdlib';
export declare let createContext: <T>(key?: any) => (value?: T | undefined) => T;
export declare let useSize: (value?: Writable<{
    width: number;
    height: number;
}> | undefined) => Writable<{
    width: number;
    height: number;
}>;
export declare let useRenderer: (value?: Option<THREE.WebGLRenderer> | undefined) => Option<THREE.WebGLRenderer>;
export declare let useEffectComposer: (value?: Option<EffectComposer<THREE.WebGLRenderTarget>> | undefined) => Option<EffectComposer<THREE.WebGLRenderTarget>>;
export declare let useScene: (value?: THREE.Scene | undefined) => THREE.Scene;
export declare let useCamera: (value?: Option<THREE.Camera> | undefined) => Option<THREE.Camera>;
export declare let useParent: (value?: THREE.Object3D<THREE.Event> | undefined) => THREE.Object3D<THREE.Event>;
export declare let useRender: (value?: (() => void) | undefined) => () => void;
export declare let useBeforeRender: (value?: Set<() => void> | undefined) => Set<() => void>;
export declare let useInteractive: (value?: ((object: THREE.Object3D, listener: {
    intersect?(): unknown;
    select?(): unknown;
}) => void) | undefined) => (object: THREE.Object3D, listener: {
    intersect?(): unknown;
    select?(): unknown;
}) => void;
export declare let link: <T extends THREE.Object3D<THREE.Event>>(object: T) => T;