import { DateFormatDescriptor } from "../types";
/**
 * Parse a date format string into a descriptor.
 * Supported tokens: `dd`, `MM`, `yyyy`.
 * Separator is auto-detected from the first non-alphanumeric character.
 *
 * @example parseFormat("dd.MM.yyyy") => { separator: ".", parts: [...] }
 */
export declare const parseFormat: (format: string) => DateFormatDescriptor;
/**
 * Get the placeholder string for the format.
 * @example getPlaceholder({ separator: ".", parts: [...] }) => "dd.MM.yyyy"
 */
export declare const getPlaceholder: (desc: DateFormatDescriptor) => string;
/**
 * Get total length of the formatted string.
 */
export declare const getFormatLength: (desc: DateFormatDescriptor) => number;
/**
 * Format a Date object into a string according to the descriptor.
 */
export declare const formatDate: (date: Date, desc: DateFormatDescriptor) => string;
/**
 * Try to parse a formatted string into a Date.
 * Returns `undefined` if the string is incomplete or invalid.
 */
export declare const parseDate: (text: string, desc: DateFormatDescriptor) => Date | undefined;
/**
 * Validate and constrain a single character being typed at a given position.
 * Returns the character if valid, or empty string if rejected.
 *
 * @param char The character being typed
 * @param position The 0-based position in the formatted string
 * @param currentText The current text value
 * @param desc The format descriptor
 */
export declare const validateCharAtPosition: (char: string, position: number, currentText: string, desc: DateFormatDescriptor) => string;
//# sourceMappingURL=index.d.ts.map