export declare function format(first?: string, middle?: string, last?: string): string; export declare function setCookie(name: string, value: string | number, days?: number, path?: string, secure?: boolean): void; export declare function getCookie(name: string): string; export declare function formatCurrency(amount: number, currency: string): string; export declare function deformatCurrency(amount: string): { CurrencySymbol: string; amount: number; }; export declare function formatTimestamp(timestamp: number): string; export declare const truncateText: (text: string, maxLength?: number) => string; export declare function getMessageIdFromEvent(event: Event): string | null; export declare function getDaysLeft(returnDeadlineMs: number): string; export declare function setSessionItem(key: string, value: T): void; export declare function getSessionItem(key: string): T | null; export declare function removeSessionItem(key: string): void; export declare function clearSessionStorage(): void; export declare function calculateNextDeliveryDate(startDateString: string, frequency: string): string; export declare function formatDateFromISO(isoDateString: string): string; export declare function formatDate(dateString: any): string; export declare function getPlaceholderImage(): string; export declare function getSanitizedHTML(markdownString: string): string;