import type { EventEnvelope } from "./types.js";
export type TraceContents = {
    answer: string;
    toolOutput: string;
    ask?: string;
    /** When set, one `agentName` event follows `agentStart`. */
    agentName?: string;
};
export declare function traceEvents(traceId: string, contents: TraceContents): EventEnvelope[];
export declare function errorEvent(traceId: string): EventEnvelope;