export type ArtifactKind = "screenshots" | "pdfs" | "scrapes";
export declare function createArtifactPath(kind: ArtifactKind, prefix: string, extension: string): Promise<string>;
export declare function persistBinaryArtifact(filePath: string, payload: unknown): Promise<void>;
export declare function assertArtifact(filePath: string): Promise<{
    absolutePath: string;
    fileName: string;
    sizeBytes: number;
}>;