import { Euler } from "../math/Euler.ts";
import { Matrix4 } from "../math/Matrix4.ts";
import { Quaternion } from "../math/Quaternion.ts";
import { Vector3 } from "../math/Vector3.ts";
import { EventDispatcher } from "./EventDispatcher.ts";
import { Layers } from "./Layers.ts";
/** Base scene graph node with transform, hierarchy, and traversal. */
export declare class Node extends EventDispatcher {
    #private;
    id: number;
    name: string;
    type: string;
    parent: Node | undefined;
    children: Node[];
    position: Vector3;
    scale: Vector3;
    matrix: Matrix4;
    matrixWorld: Matrix4;
    matrixWorldAutoUpdate: boolean;
    matrixWorldNeedsUpdate: boolean;
    visible: boolean;
    frustumCulled: boolean;
    layers: Layers;
    userData: Record<string, unknown>;
    constructor();
    get rotation(): Euler;
    set rotation(value: Euler);
    get quaternion(): Quaternion;
    set quaternion(value: Quaternion);
    get matrixAutoUpdate(): boolean;
    set matrixAutoUpdate(value: boolean);
    get autoUpdateMatrix(): boolean;
    set autoUpdateMatrix(value: boolean);
    add(object: Node): this;
    remove(object: Node): this;
    traverse(callback: (node: Node) => void): void;
    traverseVisible(callback: (node: Node) => void): void;
    lookAt(target: Vector3 | number, y?: number, z?: number): this;
    updateMatrix(): void;
    updateMatrixWorld(updateParents?: boolean, updateChildren?: boolean, force?: boolean): void;
    clone(): Node;
    copy(source: Node, recursive?: boolean): this;
}
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