import { BaseObserver, PowerSyncLogger, DBAdapter, Transaction, CrudEntry, CrudBatch } from '@powersync/common';
import { BucketStorageAdapter, BucketStorageListener, PowerSyncControlCommand } from './BucketStorageAdapter.js';
/**
 * @internal
 */
export declare class SqliteBucketStorage extends BaseObserver<BucketStorageListener> implements BucketStorageAdapter {
    private db;
    private logger;
    private updateListener;
    private _clientId?;
    constructor(db: DBAdapter, logger: PowerSyncLogger);
    dispose(): Promise<void>;
    _getClientId(): Promise<string>;
    getClientId(): Promise<string>;
    updateLocalTarget(cb: () => Promise<string>): Promise<boolean>;
    nextCrudItem(): Promise<CrudEntry | undefined>;
    hasCrud(): Promise<boolean>;
    /**
     * Get a batch of objects to send to the server.
     * When the objects are successfully sent to the server, call .complete()
     */
    getCrudBatch(limit?: number): Promise<CrudBatch | null>;
    handleCrudCheckpoint(lastClientId: number, writeCheckpoint?: string): Promise<void>;
    writeTransaction<T>(callback: (tx: Transaction) => Promise<T>, options?: {
        timeoutMs: number;
    }): Promise<T>;
    control(op: PowerSyncControlCommand, payload: string | Uint8Array | ArrayBuffer | null): Promise<string>;
    hasMigratedSubkeys(): Promise<boolean>;
    migrateToFixedSubkeys(): Promise<void>;
    static _subkeyMigrationKey: string;
}