import type { Slice } from './use-synced-store.js';
export interface DisposableSubscription {
    close(): void;
}
export interface NativeSlice<T> {
    deviceId: string;
    data: T;
    version: number;
    updatedAt: number;
}
export interface SyncedStoreLike<T> {
    set(data: T): Promise<void>;
    local(): Promise<T | null>;
    all(): Promise<Array<NativeSlice<T>>>;
    version(): number;
    onChange(callback: (event: unknown) => void): DisposableSubscription;
    stop(): Promise<void>;
}
export interface StoreSnapshot<T> {
    localData: T | null;
    allSlices: Map<string, Slice<T>>;
    version: number;
}
export interface SyncedStoreController {
    refresh(): Promise<void>;
    close(): Promise<void>;
}
export declare function slicesToMap<T>(slices: Array<NativeSlice<T>>): Map<string, Slice<T>>;
/**
 * Keep a React-facing snapshot current while owning the native subscription
 * and store lifetime. Exported for deterministic lifecycle tests.
 */
export declare function subscribeSyncedStore<T>(store: SyncedStoreLike<T>, onSnapshot: (snapshot: StoreSnapshot<T>) => void, onError?: (error: unknown) => void): SyncedStoreController;
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