export declare function trailerRecordPath(root: string): string;
export interface TrailerRecord {
    gameId: string;
    /** The CDN URL of the video, exactly as api-server issued it. */
    url: string;
    contentType: string;
    bytes: number;
    /** ISO 8601. */
    at: string;
    /** Whether it was added to the game page, or uploaded only (`--no-attach`). */
    attached: boolean;
    /** The game page, when it was attached. */
    pageUrl?: string;
}
export declare function writeTrailerRecord(root: string, record: TrailerRecord): void;
/** The last published trailer, or null when there has not been one this reader can trust. */
export declare function readTrailerRecord(root: string): TrailerRecord | null;