import type { CodeIdentity } from "./codeIdentity.js";
import { type Trace } from "./traces.js";
/** Test helpers for run-directory modules: statelog lines, traces, temp dirs. */
export declare function statelogLine(traceId: string, type: string, extra?: Record<string, unknown>): string;
export declare function agentStartLine(traceId: string, code?: CodeIdentity): string;
export declare function tracesOf(...lines: string[]): Trace[];
export declare function tempDir(prefix?: string): string;
export declare function writeProject(files: Record<string, string>): string;
/** A finished agent trace: agentStart, an optional evalOutputRecorded, agentEnd
 *  with the return value. `output` undefined → no output recorded and a
 *  result-less agentEnd (a clean run that returned nothing). */
export declare function finishedTraceLines(traceId: string, options?: {
    output?: unknown;
    input?: unknown;
    code?: CodeIdentity;
    costUsd?: number;
}): string[];