export declare function parseDriveFolderUrl(url: string): {
    ok: true;
    folderId: string;
    url: string;
} | {
    ok: false;
    error: string;
};
export declare function clampTtlHours(value: number | undefined, defaultTtl: number): number;
export declare function assertAllowedProfile(profile: string, allowed: string[]): {
    ok: true;
} | {
    ok: false;
    error: string;
};
/** Job ids from media-pipeline are URL-safe tokens; keep validation loose but bounded. */
export declare function isPlausibleJobId(jobId: string): boolean;
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