import type { Matrix4 } from "./Matrix4.ts";
import { Vector3 } from "./Vector3.ts";
export interface SceneNode {
    type: string;
    matrixWorld: Matrix4;
    updateMatrixWorld: (force: boolean, parentUpdated: boolean) => void;
    geometry?: {
        attributes?: {
            position?: {
                array: ArrayLike<number>;
                itemSize: number;
            };
        };
    };
    children: SceneNode[];
    visible?: boolean;
}
/** 3D axis-aligned bounding box. */
export declare class Box3 {
    #private;
    constructor(min?: Vector3, max?: Vector3);
    get min(): Vector3;
    set min(value: Vector3);
    get max(): Vector3;
    set max(value: Vector3);
    get centre(): Vector3;
    get size(): Vector3;
    get width(): number;
    get height(): number;
    get depth(): number;
    get corners(): Vector3[];
    get isEmpty(): boolean;
    clone(): Box3;
    containsBox(box: Box3): boolean;
    containsPoint(point: Vector3): boolean;
    copy(box: Box3): this;
    equals(box: Box3): boolean;
    expandByPoint(point: Vector3): this;
    expandByScalar(scalar: number): this;
    expandByVector3(v: Vector3): this;
    getCentre(out: Vector3): Vector3;
    intersectsBox(box: Box3): boolean;
    intersectsSphere(sphere: {
        centre: Vector3;
        radius: number;
    }): boolean;
    makeEmpty(): this;
    setFromCentreAndSize(centre: Vector3, size: Vector3): this;
    /**
     * Computes the world-space bounding box of an object and its visible
     * children. Accesses vertex positions via `object.geometry?.attributes?.position`
     * for Mesh nodes; will be refined once Geometry is implemented.
     */
    setFromObject(object: SceneNode): this;
    setFromPoints(points: Vector3[]): this;
    translate(offset: Vector3): this;
    union(box: Box3): this;
}
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