import { HallwayElement } from "./HallwayElement";
/**
 * This class represents a turn in a single [[Hallway]]. When a user passes a
 * Turn, the directions will output: "turn left/right".
 */
export declare class Turn {
    direction: -1 | 1;
    constructor(direction: -1 | 1);
    onPass(forwardOrBackward: -1 | 1, prevRoom: HallwayElement | Turn): string;
}