/**
 * Utility functions to convert between Unix (5 fields) and Quartz (7 fields) cron formats
 *
 * Unix format: minute hour day month day-of-week
 * Quartz format: second minute hour day month day-of-week year
 */
/**
 * Convert Unix cron (5 fields) to Quartz cron (7 fields)
 * @param unixCron - Unix cron expression (e.g., "star/5 * * * *")
 * @returns Quartz cron expression (e.g., "0 0/5 * * * ? *")
 */
export declare const unixToQuartz: (unixCron: string) => string;
/**
 * Convert Quartz cron (7 fields) to Unix cron (5 fields)
 * @param quartzCron - Quartz cron expression (e.g., "0 0/5 * * * ? *")
 * @returns Unix cron expression (e.g., "star/5 * * * *")
 */
export declare const quartzToUnix: (quartzCron: string) => string;
/**
 * Detect if a cron expression is Unix or Quartz format
 * @param cron - Cron expression
 * @returns 'unix' | 'quartz' | 'unknown'
 */
export declare const detectCronFormat: (cron: string) => 'unix' | 'quartz' | 'unknown';
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