export function build(...rest: string[]): string;
export function chunk(string: string, size?: number): Array<string>;
export function format(format: string, ...rest: string[]): string;
export function trim(string: string): string;
export function trimStart(string: string): string;
export function trimEnd(string: string): string;
export function capitalize(string?: string): string;
export function mask(string: string, template: string | Function, char?: string): string;
export function unmask(string: string, template: string | Function, char?: string): string;