/**
 * Translation resource data structure
 *
 * @private
 */
export interface DateLocaleData {
    "default-calendar": "gregorian" | "buddhist";
    separator: string;
    unitOrder: string;
    weekStart: number;
    placeholder: string;
    days: {
        abbreviated?: string[];
        narrow?: string[];
        short?: string[];
        wide?: string[];
    };
    numerals: string;
    months: {
        abbreviated: string[];
        narrow: string[];
        wide: string[];
    };
    year?: {
        suffix: string;
    };
}
/**
 * CLDR cache.
 * Exported for testing purposes.
 *
 * @private
 */
export declare const translationCache: Record<string, DateLocaleData>;
/**
 * CLDR request cache.
 * Exported for testing purposes.
 *
 * @private
 */
export declare const requestCache: Record<string, Promise<DateLocaleData>>;
/**
 * Fetch calendar data for a given locale from list of supported languages
 *
 * @param lang
 * @public
 */
export declare function getLocaleData(lang: string): Promise<DateLocaleData>;
/**
 * Maps value to valueAsDate
 *
 * @param value
 */
export declare function getValueAsDateRange(value: string[]): Date[];