import type { FactoryArg } from "imask";
export type DateFormat = "US" | "DE" | "RoW" | string;
export declare const FORMAT_TO_MASK: Record<string, string>;
export declare const FORMAT_TO_LABEL_HINT: Record<string, string>;
export type DateMaskBlocks = FactoryArg["blocks"];
/** Reads min/max year from mask blocks (Y.from / Y.to). Used for calendar year range. */
export declare function getYearRangeFromMaskBlocks(blocks?: DateMaskBlocks): {
    minYear?: number;
    maxYear?: number;
};
export type DateMaskOptions = {
    format: DateFormat;
    isPlaceholderShown?: boolean;
    dayPlaceholderChar?: string;
    monthPlaceholderChar?: string;
    yearPlaceholderChar?: string;
    /** Optional overrides for IMask blocks (e.g. to clamp year range). */
    maskBlocks?: DateMaskBlocks;
};
export declare function getMaskOptions({ format, isPlaceholderShown, dayPlaceholderChar, monthPlaceholderChar, yearPlaceholderChar, maskBlocks, }: DateMaskOptions): FactoryArg;