/**
 * Cron Expression Utilities
 * Convert cron expressions to descriptive IDs and human-readable names
 */
/**
 * Convert a cron expression to a descriptive timing ID
 * Examples:
 *   "0 9 * * *" → "daily-9am"
 *   "30 14 * * *" → "daily-2-30pm"
 *   "0 0 * * *" → "daily-midnight"
 *   "0 12 * * 1" → "weekly-mon-noon"
 *   "0 0 1 * *" → "monthly-1st-midnight"
 *   "STAR/5 * * * *" → "every-5min"
 */
export declare function cronToTimingId(cronExpression: string): string;
/**
 * Convert a cron expression to a human-readable name
 * Examples:
 *   "0 9 * * *" → "Daily at 9:00 AM"
 *   "STAR/15 * * * *" → "Every 15 minutes"
 *   "0 12 * * 1" → "Weekly on Monday at 12:00 PM"
 */
export declare function cronToTimingName(cronExpression: string): string;
/**
 * Normalize cron expression for consistent comparison
 * - Trims whitespace
 * - Converts multiple spaces to single space
 * - Validates format
 */
export declare function normalizeCronExpression(cronExpression: string): string;
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