import type { Log } from "../logger/log-entry";
/**
 * Deletes any debug/JSON logfiles that are older than `logfileExpiryDays`, and returns the debug & silly
 * logfile names for the currently executing command.
 */
export declare function prepareDebugLogfiles(log: Log, logsDirPath: string, commandFullName: string): Promise<{
    debugLogfileName: string;
    jsonLogfileName: string;
}>;