import type { DBLockOptions } from '@powersync/common';
import type { Mutex, Semaphore } from '@powersync/shared-internals';
/**
 * Internal helper function to acquire a connection from a pool that has a designated writer, additional readers, and
 * also allows dispatching reads to the writer.
 */
export declare function acquireFromPool<Connection, Res>(writerMutex: Mutex, writer: Connection, readers: Semaphore<Connection> | undefined, callback: (connection: Connection) => Promise<Res>, options: DBLockOptions | undefined, allowReadOnly: boolean): Promise<Res>;