/** Convert any Devanagari digits in the string to their ASCII equivalents. */
export declare function normalizeDigits(text: string): string;
export interface TypedTokens {
    year: number;
    month: number;
    day: number;
    hour?: number;
    minute?: number;
}
/** Split a typed string into numeric parts without any calendar validation.
 *  Returns `'empty'` for blank input and `null` for a shape that can't be a
 *  date at all. Calendar-range validation is the caller's job. */
export declare function tokenizeTyped(text: string): TypedTokens | 'empty' | null;
/** Reformat raw input into the masked `YYYY-MM-DD[ HH:mm]` shape as the user
 *  types: keep only digits (normalizing Nepali → ASCII) and re-insert the fixed
 *  separators. Extra digits past the template are dropped. */
export declare function maskTypedDate(text: string, withTime: boolean): string;
/** Count the digit characters in a string (used for caret preservation). */
export declare function countDigits(text: string): number;