import type { EnvSink } from './types.js';
export declare function resolveEnvSink(): EnvSink | null;
/** Test/embedding hook: drop the memoised sink so the next resolve re-reads env. */
export declare function resetEnvSinkCache(): void;
/** Reconnecting NDJSON client over a Unix domain socket (see session/uds.ts). */
export declare function udsEnvSink(path: string): EnvSink;