export declare class RoomPositionSet extends Set {
    private map;
    add(pos: RoomPosition): this;
    delete(pos: RoomPosition): boolean;
    has(pos: RoomPosition): boolean;
    clear(): void;
    entries(): Generator<[any, any], void, unknown>;
    values(): IterableIterator<RoomPosition>;
    keys(): IterableIterator<RoomPosition>;
    [Symbol.iterator](): IterableIterator<RoomPosition>;
    get size(): number;
}