/**
 * Utilities for converting user input to cron schedule strings
 */
export type ScheduleFrequency = 'no' | 'hourly' | 'daily' | 'custom';
export interface CronOptions {
    frequency: ScheduleFrequency;
    minutesAfterHour?: number;
    dailyTime?: string;
    cronExpression?: string;
}
/**
 * Convert user input to a cron schedule string
 */
export declare function convertToCronSchedule(options: CronOptions): string | null;
/**
 * Get a human-readable description of a cron schedule
 */
export declare function describeCronSchedule(cronSchedule: string | null): string;
/**
 * Get default cron expression example for custom input
 */
export declare function getDefaultCronExample(): string;
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