/**
 * Advanced date parsing utilities
 */
/**
 * Parse various date formats intelligently
 * @param input - date string, number, or Date object
 */
export declare function parseDate(input: string | number | Date): Date | null;
/**
 * Parse relative date strings like "tomorrow", "next monday", "2 weeks ago"
 * @param input - relative date string
 */
export declare function parseRelativeDate(input: string): Date | null;
/**
 * Parse "time ago" strings like "5 minutes ago", "2 hours ago"
 * @param input - time ago string
 */
export declare function parseTimeAgo(input: string): Date | null;
/**
 * Parse custom date format
 * @param dateString - date string to parse
 * @param format - format pattern (e.g., "YYYY-MM-DD", "DD/MM/YYYY")
 */
export declare function parseCustomFormat(dateString: string, format: string): Date | null;
/**
 * Try parsing with multiple formats
 * @param dateString - date string to parse
 * @param formats - array of format patterns to try
 */
export declare function parseManyFormats(dateString: string, formats: string[]): Date | null;
/**
 * Parse an ISO 8601 duration string (e.g., "P1Y2M3DT4H5M6S")
 * @param duration - ISO 8601 duration string
 * @returns object with parsed components
 */
export declare function parseISO8601Duration(duration: string): {
    years: number;
    months: number;
    weeks: number;
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
} | null;
/**
 * Convert ISO 8601 duration to milliseconds (approximate for months/years)
 * @param duration - ISO 8601 duration string
 */
export declare function parseISO8601DurationToMs(duration: string): number | null;
/**
 * Parse a time string (e.g., "14:30", "2:30 PM", "14:30:45")
 * @param timeString - time string to parse
 * @returns object with hours, minutes, seconds, or null if invalid
 */
export declare function parseTime(timeString: string): {
    hours: number;
    minutes: number;
    seconds: number;
} | null;
/**
 * Guess the date format of a date string
 * @param dateString - date string to analyze
 * @returns detected format pattern or null
 */
export declare function guessDateFormat(dateString: string): string | null;
/**
 * Parse a date string using auto-detected format
 * @param dateString - date string to parse
 */
export declare function parseAutoFormat(dateString: string): Date | null;
/**
 * Parse a date from a natural language date range endpoint
 * @param input - string like "end of month", "start of year", "beginning of week"
 */
export declare function parseRangeEndpoint(input: string): Date | null;
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