import type { EntityId } from "../../CustomTypes/EntityId";
declare const subscriptionPlanSym: unique symbol;
export declare type SubscriptionPlanId = EntityId & {
    [subscriptionPlanSym]: unknown;
};
export declare function subscriptionPlanId(value: unknown): SubscriptionPlanId;
export declare function isSubscriptionPlanId(val: unknown): val is SubscriptionPlanId;
export declare const defaultSubscriptionPlanId: SubscriptionPlanId;
export {};