import type { DiffArtifact, RunArtifact } from "./types.js";
export type Artifact = RunArtifact | DiffArtifact;
export declare function defaultRunsDirectory(cwd?: string): string;
export declare function ensureDirectory(directoryPath: string): Promise<void>;
export declare function writeRunArtifact(artifact: RunArtifact, outDir: string): Promise<string>;
export declare function findLatestArtifact(outDir: string, targetId: string, excludePath?: string): Promise<string | null>;
export declare function readArtifact(filePath: string): Promise<Artifact>;