export declare class Vector3 {
    x: number;
    y: number;
    z: number;
    constructor(x?: number, y?: number, z?: number);
    set(x: number, y: number, z: number): this;
    min(v: Vector3): this;
    max(v: Vector3): this;
    copy(v: Vector3): this;
    add(v: Vector3): this;
    multiplyScalar(s: number): this;
    divideScalar(s: number): this;
}
export declare class BVH_FlatNode {
    idSelf: number;
    idPrimitive: number;
    idRightChild: number;
    idParent: number;
    minCorner: Vector3;
    maxCorner: Vector3;
    constructor(idSelf?: number, idPrimitive?: number, idRightChild?: number, idParent?: number, minCorner?: Vector3, maxCorner?: Vector3);
}