import { ILogger } from '../../../types/logger';
/**
 * Safely calculates the delay in seconds until the next execution of a cron job.
 * Fails silently and returns -1 if the cron expression is invalid.
 * @param cronExpression The cron expression to parse (e.g. '0 0 * * *').
 * @returns The delay in seconds until the next cron job execution (minimum 5 seconds).
 */
declare class CronHandler {
    static logger: ILogger;
    nextDelay(cronExpression: string): number;
}
export { CronHandler };