import type { BaseClickHouseClientConfigOptions, ImplementationDetails } from '@clickhouse/client-common';
export type WebClickHouseClientConfigOptions = BaseClickHouseClientConfigOptions & {
    /** A custom implementation or wrapper over the global `fetch` method that will be used by the client internally.
     *  This might be helpful if you want to configure mTLS or change other default `fetch` settings. */
    fetch?: typeof fetch;
};
export declare const WebImpl: ImplementationDetails<ReadableStream>['impl'];