import { ContextManager, Observable, Context } from '@zcomponent/core';
import * as THREE from 'three';
import { Object3D } from './components/Object3D';
import { IRenderPass } from './effectpipeline';
export interface ThreeSceneContextConstructorProps {
    scene?: THREE.Scene;
    camera?: THREE.Camera;
}
/**
 * Manages a Three.js scene context, handling the scene, camera, rendering passes, and other scene-related configurations.
 * Provides observables for scene properties and methods for managing pointer event listeners.
 *
 * @zcontext
 */
export declare class ThreeSceneContext extends Context {
    constructorProps: ThreeSceneContextConstructorProps;
    scene: THREE.Scene;
    activeCamera: Observable<THREE.Camera>;
    renderPass: IRenderPass;
    renderPriority: Observable<number, never>;
    readonly autoClear: Observable<boolean, never>;
    readonly autoClearDepth: Observable<boolean, never>;
    readonly hotspotObjects: THREE.Object3D[];
    readonly pointerEventListenerByObject: Map<THREE.Object3D<any>, Object3D>;
    private _objectsWithPointerEventBindings;
    private _unregisterByObject3D;
    /**
     * Initializes a new instance of the ThreeSceneContext, setting up the scene, camera, and render pass.
     *
     * @param {ContextManager} contextManager - The context manager for the environment.
     * @param {ThreeSceneContextConstructorProps} constructorProps - Properties for constructing the scene context, including scene and camera.
     */
    constructor(contextManager: ContextManager, constructorProps: ThreeSceneContextConstructorProps);
    registerPointerEventListener(obj: Object3D): void;
    unregisterPointerEventListener(obj: Object3D): void;
    dispose(): never;
}
/**
 * Utility function to access the active camera Observable within a `ThreeSceneContext`.
 *
 * @param {ContextManager} ctx - The context manager instance.
 * @return {Observable<THREE.Camera>} The observable for the active camera.
 */
export declare function useCamera(ctx: ContextManager): Observable<THREE.Camera>;
/**
 * Utility function to access the scene from a `ThreeSceneContext`.
 *
 * @param {ContextManager} ctx - The context manager instance.
 * @return {THREE.Scene} The Three.js scene associated with the context.
 */
export declare function useScene(ctx: ContextManager): THREE.Scene;