export declare const DateUtils: {
    clockOffset: number;
    getDateWithClockOffset(): Date;
    getClockOffset(): number;
    getHeaderStringFromDate(date?: Date): string;
    getDateFromHeaderString(header: string): Date;
    isClockSkewed(serverDate: Date): boolean;
    isClockSkewError(error: any): boolean;
    setClockOffset(offset: number): void;
};