import type { EntityId } from "../../CustomTypes/EntityId";
declare const environmentIdSymbol: unique symbol;
export declare type EnvironmentId = EntityId & {
    [environmentIdSymbol]: unknown;
};
export declare function isEnvironmentId(val: unknown): val is EnvironmentId;
export declare function validateEnvironmentId(val: string): asserts val is EnvironmentId;
export declare function environmentId(value?: string): EnvironmentId;
export {};