import { type PowerSyncBackendConnector, type PowerSyncCloseOptions, BasePowerSyncDatabaseOptions, DatabaseSource, DBAdapter, PowerSyncDatabaseConstructor, CommonPowerSyncDatabase } from '@powersync/common';
import { BasePowerSyncDatabase, CreateSyncImplementationOptions, Mutex, StreamingSyncImplementation, TriggerManagerConfig } from '@powersync/shared-internals';
import { WebSpecificOpenOptions, WebSQLOpenOptions } from './adapters/options.js';
export type WebPowerSyncDatabaseOptions = BasePowerSyncDatabaseOptions & DatabaseSource<WebSQLOpenOptions> & WebSpecificOptions;
export interface WebSpecificOptions {
    sync?: WebSyncOptions;
    /**
     * Broadcast logs from shared workers, such as the shared sync worker,
     * to individual tabs. This defaults to true.
     */
    broadcastLogs?: boolean;
}
export interface WebSyncOptions {
    /**
     * Allows you to override the default sync worker.
     *
     * You can either provide a path to the worker script
     * or a factory method that returns a worker.
     */
    worker?: string | URL | (() => SharedWorker);
    /**
     * The log level for logs from the sync worker.
     *
     * Defaults to {@link LogLevels.info}.
     */
    logLevel?: number;
}
/**
 * @internal Use {@link PowerSyncDatabase} instead, this class is only used by other SDKs also needing web support.
 */
export declare class WebPowerSyncDatabase extends BasePowerSyncDatabase<WebPowerSyncDatabaseOptions> {
    static SHARED_MUTEX: Mutex;
    protected resolvedOpenOptions: WebSpecificOpenOptions;
    protected enableBroadcastLogs: boolean;
    constructor(options: WebPowerSyncDatabaseOptions);
    _initialize(): Promise<void>;
    protected generateTriggerManagerConfig(): TriggerManagerConfig;
    protected openDBAdapter(): DBAdapter;
    /**
     * Closes the database connection.
     * By default the sync stream client is only disconnected if
     * multiple tabs are not enabled.
     */
    close(options?: PowerSyncCloseOptions): Promise<void>;
    protected loadVersion(): Promise<void>;
    protected resolveOfflineSyncStatus(): Promise<void>;
    protected runExclusive<T>(cb: () => Promise<T>): Promise<T>;
    protected generateSyncStreamImplementation(connector: PowerSyncBackendConnector, options: CreateSyncImplementationOptions): StreamingSyncImplementation;
}
/**
 * A PowerSync database which provides SQLite functionality
 * which is automatically synced.
 *
 * @example
 * ```typescript
 * export const db = new PowerSyncDatabase({
 *  schema: AppSchema,
 *  database: {
 *    dbFilename: 'example.db'
 *  }
 * });
 * ```
 */
export declare const PowerSyncDatabase: PowerSyncDatabaseConstructor<WebPowerSyncDatabaseOptions>;
export interface PowerSyncDatabase extends CommonPowerSyncDatabase {
}