import { Direction } from "./Direction";
import { HallwayElement } from "./HallwayElement";
import { StairNode } from "./StairNode";
/**
 * [[Stairs]] represent one entrance to a staircase in a [[Hallway]] on a
 * single floor.
 */
export declare class Stairs<StairName extends string> extends HallwayElement {
    readonly nodeId: StairNode<StairName>;
    private readonly _fullName;
    get fullName(): string;
    constructor(side: Direction, nodeId: StairNode<StairName>, fullName?: string, edgeLengthFromPreviousNodeInHallway?: number | undefined);
    onLeave(forwardOrBackward: -1 | 1, _isBeginningOfDirections: boolean, entranceWasStraight: boolean): string;
    onArrive(forwardOrBackward: -1 | 1): string;
}