import type { MossAgent } from '../core/agent/moss-agent.js';
export interface AcpServerOptions {
    abortSignal?: AbortSignal;
    /** Override stdin (tests). Defaults to process.stdin. */
    input?: NodeJS.ReadableStream;
    /** Override stdout (tests). Defaults to process.stdout. */
    output?: NodeJS.WritableStream;
}
/**
 * Run the ACP stdio server. Reads NDJSON JSON-RPC requests from stdin until
 * EOF or abort; writes responses + notifications as NDJSON to stdout.
 */
export declare function runAcpStdioServer(agent: MossAgent, opts?: AcpServerOptions): Promise<void>;
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