import { CouchbaseClusterTypes, DefaultClusterTypes } from '@cbjsdev/shared';
import { Cluster, ConnectOptions } from './cluster.js';
import { NodeCallback } from './utilities.js';
/**
 * Acts as the entrypoint into the rest of the library.  Connecting to the cluster
 * and exposing the various services and features.
 *
 * @param connStr The connection string to use to connect to the cluster.
 * @param options Optional parameters for this operation.
 * @param callback A node-style callback to be invoked after execution.
 * @throws AuthenticationFailureError
 * @category Core
 */
export declare function connect<T extends CouchbaseClusterTypes = DefaultClusterTypes>(connStr: `couchbase://` | (string & NonNullable<unknown>), options?: ConnectOptions<T>, callback?: NodeCallback<Cluster<T>>): Promise<Cluster<T>>;
/**
 * Exposes the underlying couchbase++ library version that is being used by the
 * SDK to perform I/O with the cluster.
 *
 * @deprecated Use {@link cbppVersion} instead.
 */
export declare const lcbVersion: string;
/**
 * Exposes the underlying couchbase++ library version that is being used by the
 * SDK to perform I/O with the cluster.
 */
export declare const cbppVersion: string;
export declare const cbppMetadata: string;
/**
 * Volatile: This API is subject to change at any time.
 *
 * Exposes the underlying couchbase++ library protocol logger.  This method is for
 * logging/debugging purposes and must be used with caution as network details will
 * be logged to the provided file.
 */
export declare function enableProtocolLoggerToSaveNetworkTrafficToFile(filename: string): void;
/**
 * Volatile: This API is subject to change at any time.
 *
 * Shutdowns the underlying couchbase++ logger.
 *
 */
export declare function shutdownLogger(): void;