import { mat3 } from 'gl-matrix';
import { AABB } from './aabb';
import { OBB } from './obb';
export declare class OBBNode<T = unknown> {
    readonly obb: OBB;
    readonly children: OBBNode<T>[];
    leaf: boolean;
    payload?: T;
    constructor(obb: OBB);
}
export declare module OBBNode {
    const area: (obb: OBB) => number;
    const testAABB: (candidates: Set<OBBNode>, aabb: Readonly<AABB>, tree: Readonly<OBBNode>, transform: Readonly<mat3>) => boolean;
    const testOBBNode: (candidates: Set<[OBBNode, OBBNode]>, tree0: Readonly<OBBNode>, transform0: Readonly<mat3>, tree1: Readonly<OBBNode>, transform1: Readonly<mat3>) => boolean;
}