import { EventState } from '@babylonjs/core/Misc/observable.js';
import { Scene } from '@babylonjs/core/scene.js';
import { Camera } from '@babylonjs/core/Cameras/camera.js';
export type OnFrameRenderFn = (eventData: Scene, eventState: EventState) => void;
export type OnCameraRenderFn = (eventData: Camera, eventState: EventState) => void;
/**
 * Register a callback for before the scene renders.
 *
 * @param callback called using onBeforeRender functionality of scene
 * @param mask the mask used to filter observers
 * @param insertFirst if true will be inserted at first position, if false (default) will be last position.
 * @param callOnce only call the callback once
 */
export declare const useBeforeRender: (callback: OnFrameRenderFn, mask?: number, insertFirst?: boolean, callOnce?: boolean, deps?: React.DependencyList) => void;
/**
 * Register a callback for after the scene renders.
 *
 * @param callback called using onAfterRender functionality of scene
 * @param mask the mask used to filter observers
 * @param insertFirst if true will be inserted at first position, if false (default) will be last position.
 * @param callOnce only call the callback once
 */
export declare const useAfterRender: (callback: OnFrameRenderFn, mask?: number, insertFirst?: boolean, callOnce?: boolean, deps?: React.DependencyList) => void;
/**
 * Register a callback for before the camera renders.
 *
 * @param callback called using useBeforeCameraRender functionality of scene
 * @param mask the mask used to filter observers
 * @param insertFirst if true will be inserted at first position, if false (default) will be last position.
 * @param callOnce only call the callback once
 */
export declare const useBeforeCameraRender: (callback: OnCameraRenderFn, mask?: number, insertFirst?: boolean, callOnce?: boolean, deps?: React.DependencyList) => void;
/**
 * Register a callback for after the scene renders.
 *
 * @param callback called using onAfterCameraRender functionality of scene
 * @param mask the mask used to filter observers
 * @param insertFirst if true will be inserted at first position, if false (default) will be last position.
 * @param callOnce only call the callback once
 */
export declare const useAfterCameraRender: (callback: OnCameraRenderFn, mask?: number, insertFirst?: boolean, callOnce?: boolean) => void;