import { tl } from '../tl/index.js';
export type DateEntityFlags = Omit<tl.RawMessageEntityFormattedDate, '_' | 'offset' | 'length' | 'date'>;
/**
 * Parse a date-time entity format string into flags for `messageEntityFormattedDate`.
 *
 * Format string must match: `r|w?[dD]?[tT]?`
 *
 * Control characters:
 * - `r`: relative time (cannot be combined with others)
 * - `w`: day of the week
 * - `d`: short date (e.g. "17.03.22")
 * - `D`: long date (e.g. "March 17, 2022")
 * - `t`: short time (e.g. "22:45")
 * - `T`: long time (e.g. "22:45:00")
 *
 * Empty string means display text as-is, user can still see the underlying date.
 */
export declare function parseDateEntityFormat(format: string): DateEntityFlags;
/**
 * Convert `messageEntityFormattedDate` flags to a format string.
 *
 * @see {@link parseDateEntityFormat} for the format description
 */
export declare function dateEntityFormatToString(entity: DateEntityFlags): string;