import { type FabricChildTraceContextLaunch, type FabricTraceContextV1 } from "./trace-context.js";
/** Emits the request and returns the first valid synchronous reply. */
export declare const requestChildTraceContext: (emit: (event: string, value: unknown) => void, launch: FabricChildTraceContextLaunch) => FabricTraceContextV1 | undefined;
//# sourceMappingURL=trace-context-request.d.ts.map