/** Shared reconciliation policy; adapters retain their own setup timing and callbacks. */
export type SubscriptionSyncResult<Subscription> = {
    subscriptions: Map<string, Subscription>;
    error?: Error;
};
type Adapter<Config, Subscription, Created> = {
    create: (key: string, config: Config) => Created;
    dispose: (subscription: Subscription) => void;
};
export declare function reconcileSubscriptions<Config, Subscription>(current: Map<string, Subscription>, target: Map<string, Config>, adapter: Adapter<Config, Subscription, Subscription>): SubscriptionSyncResult<Subscription>;
export declare function reconcileSubscriptionsAsync<Config, Subscription>(current: Map<string, Subscription>, target: Map<string, Config>, adapter: Adapter<Config, Subscription, Promise<Subscription>>): Promise<SubscriptionSyncResult<Subscription>>;
export {};
//# sourceMappingURL=subscriptions.d.ts.map