import type * as Stream from 'stream';
import type { BaseClickHouseClientConfigOptions, ImplementationDetails } from '@clickhouse/client-common';
export type TcpClickHouseClientConfigOptions = BaseClickHouseClientConfigOptions & {
    tls?: {
        ca_cert?: Buffer | string;
        cert?: Buffer | string;
        key?: Buffer | string;
    };
};
export declare const TcpImpl: ImplementationDetails<Stream.Readable>['impl'];