import { Euler, Object3D, Quaternion, Vector3 } from "three";
import { Identifiable } from "./identifiable";
import { Entity } from "./stage/entity";
/**
 * Transform is responsible for allowing positioning, rotating and scaling of
 * 3D objects in the Renderer.
 *
 * When assigning new values for a Transform, the values are copied
 */
export declare class Transform extends Identifiable {
    private readonly _threeObject;
    private readonly _owner;
    private readonly _children;
    private _parent;
    constructor(owner: Entity);
    /**
     * Returns the THREE.js Object backing
     */
    get object(): Object3D;
    get position(): Vector3;
    set position(pos: Vector3);
    get orientation(): Quaternion;
    set orientation(quat: Quaternion);
    get rotation(): Euler;
    set rotation(rot: Euler);
    get scale(): Vector3;
    set scale(sca: Vector3);
    /**
     * Returns the current entity this transform is attached to
     */
    get owner(): Entity;
    /**
     * Returns the parent Transform if any or null.
     * To set the parent, use Transform.add()
     */
    get parent(): Transform | null;
    /**
     * Returns the children Transforms as an Array
     */
    get children(): Array<Transform>;
    /**
     * Detach this Transform from a previous hierarchy
     * @returns - true if deatched, false otherwise
     */
    detach(): boolean;
    /**
     * Adds another transform into this transform hierarchy
     * @param transform - the transform to add into this hierarchy
     * @param preserveWorld - (optional - default: true) should the world coordinate be preserved?
     * @returns - this transform
     */
    add(transform: Transform, preserveWorld?: boolean): Transform;
    /**
     * Removes the provided transform from this object hierarchy
     * @param transform - the transform to remove from this object hirarchy
     * @returns - this transform
     */
    remove(transform: Transform): Transform;
}