import type { EntityId } from "../../../CustomTypes/EntityId";
declare const locationIdSymbol: unique symbol;
export declare type LocationId = EntityId & {
    [locationIdSymbol]: unknown;
};
export declare function isLocationId(val: unknown): val is LocationId;
export declare function validateLocationId(val: string): asserts val is LocationId;
export declare function locationId(value?: string): LocationId;
export {};