import { HourFormat } from '../types/HourFormat';
import { Language } from '../types/Language';
import { NepaliDate } from '../types/NepaliDate';
import { NepaliDateTime } from '../types/NepaliDateTime';
import { NepaliTime } from '../types/NepaliTime';
export declare const MAX_NEPALI_DATETIME_LENGTH_IN_12_FORMAT = 23;
export declare const MAX_NEPALI_DATETIME_LENGTH_IN_24_FORMAT = 16;
export declare const MAX_ENGLISH_DATETIME_LENGTH_IN_12_FORMAT = 19;
export declare const MAX_ENGLISH_DATETIME_LENGTH_IN_24_FORMAT = 16;
export declare const validateNepaliDateTime: (value: string, lang?: Language, hourFormat?: HourFormat) => {
    value?: {
        date: NepaliDate | undefined;
        time: NepaliTime | undefined;
    } | undefined;
    valid: boolean;
};
export declare const formatNepaliDateTime: (nepaliDateTime: NepaliDateTime, lang?: Language, hourFormat?: HourFormat) => string;