/**
 * Copyright(c) 2014 ABB Switzerland Ltd.
 *
 * Functionality to parse a DateTime object to a string
 */
import { TimeStruct } from "./basics";
import { PartialLocale } from "./locale";
import { TimeZone } from "./timezone";
/**
 * Format the supplied dateTime with the formatting string.
 *
 * @param dateTime The current time to format
 * @param utcTime The time in UTC
 * @param localZone The zone that currentTime is in
 * @param formatString The LDML format pattern (see LDML.md)
 * @param locale Other format options such as month names
 * @return string
 * @throws timezonecomplete.Argument.FormatString for invalid format pattern
 * @throws timezonecomplete.InvalidTimeZoneData if values in the time zone database are invalid
 */
export declare function format(dateTime: TimeStruct, utcTime: TimeStruct, localZone: TimeZone | undefined | null, formatString: string, locale?: PartialLocale): string;