import type { IDBPDatabase } from 'idb';
import type { BlockSuiteBinaryDB, UpdateMessage } from './shared';
export declare function mergeUpdates(updates: Uint8Array[]): Uint8Array;
/**
 * try to migrate the old database to the new database
 * this function will be removed in the future
 * since we don't need to support the old database
 */
export declare function tryMigrate(db: IDBPDatabase<BlockSuiteBinaryDB>, id: string, dbName?: string): Promise<void>;
export declare function downloadBinary(guid: string, dbName?: string): Promise<UpdateMessage['update'] | false>;
export declare function overwriteBinary(guid: string, update: UpdateMessage['update'], dbName?: string): Promise<void>;
export declare function pushBinary(guid: string, update: UpdateMessage['update'], dbName?: string): Promise<void>;
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