import { AsyncLocalStorage } from 'node:async_hooks';
export interface SeededIdStore {
    trace?: string;
    span?: string;
}
export declare const seedsStorage: AsyncLocalStorage<SeededIdStore>;
/** Scopes `traceSeed`/`spanSeed` for one `tracer.startSpan(...)` call. */
export declare function withSeededIds<T>(traceSeed: string | undefined, spanSeed: string | undefined, fn: () => T): T;