import type { Five } from '@realsee/five';
export declare function isTwoRectOverlaped(rect1: any, rect2: any): boolean;
export declare function getCameraToward(five: Five): "" | "left" | "right" | "back" | "forward";
export declare function getDistance(p1: any, p2: any): number;
export declare function getToward(rad: number): "" | "left" | "right" | "back" | "forward";