import { Component } from "../../hierarchy_object/Component";
import type { Object3D } from "three/src/Three";
/**
 * Object3D wrapper for hierarchy object.
 *
 * You can use this component to render any object that inherits Object3D.
 *
 * The world matrix of Object3D is automatically updated when `gameObject.transform` is updated.
 *
 * If you need to update the matrix even if the transform does not change (like animation), use `Object3DContainer.updateWorldMatrix()` method.
 */
export declare class Object3DContainer<T extends Object3D> extends Component {
    private _object3D;
    private _ready;
    private _onDispose;
    awake(): void;
    onEnable(): void;
    onDisable(): void;
    onDestroy(): void;
    onWorldMatrixUpdated(): void;
    private setVisibleRecursively;
    /**
     * Object3D object to add to the hierarchy.
     */
    get object3D(): T | null;
    /**
     * set Object3D object to add to the hierarchy.
     * @param object3D Object3D object to add to the hierarchy.
     * @param onDispose onDispose callback
     */
    setObject3D(object3D: T, onDispose?: (object3D: T) => void): void;
    /**
     * remove Object3D object from the hierarchy. and dispose it.
     */
    clearObject3D(): void;
    /**
     * if true, this component is finish to be initialized.
     *
     * Do not modify the scene until the component is initialized.
     */
    protected get ready(): boolean;
    /**
     * Update the world matrix of the object3D manually.
     */
    updateWorldMatrix(): void;
}