export function nullOrEmpty(s?: string | any | null): boolean export function contains(s: string, key: string | any, ignoreCase?: boolean): boolean export function endsWith(s: string, suffix: string): boolean export function padStart(s: string, num: Number, char: string): boolean export function formatUrl(msg: string): string export function escapeHtml(text: string): string export function escapeEmoji(text: string): string