export declare function dateFormat(date?: Date): string;
export declare function dateFormat(date: Date, timezoneOffset?: number): string;
export declare function dateFormat(format: string, date?: Date): string;
export declare function dateFormat(format: string, date: Date, timezoneOffset?: number): string;
export declare function parse(pattern: string, str: string, missingValuesDate?: Date): Date;
/**
 * Used for testing - replace this function with a fixed date.
 */
export declare function now(): Date;
export declare const ISO8601_FORMAT = "yyyy-MM-ddThh:mm:ss.SSS";
export declare const ISO8601_WITH_TZ_OFFSET_FORMAT = "yyyy-MM-ddThh:mm:ss.SSSO";
export declare const DATETIME_FORMAT = "dd MM yyyy hh:mm:ss.SSS";
export declare const ABSOLUTETIME_FORMAT = "hh:mm:ss.SSS";