import type { OtelSink, SpawnMode, SpawnResult } from "../types.js";
export declare const noopOtelSink: OtelSink;
export declare function observeAgentSpawn(input: {
    agent: string;
    cwd?: string;
    mode?: SpawnMode;
    otelSink?: OtelSink;
    prompt: string;
}, operation: () => Promise<SpawnResult>): Promise<SpawnResult>;