export declare const stringify: (data?: unknown) => string | undefined;
export declare const sanitize: (value: string, options?: {
    whitespace?: string | true;
    underscore?: string | true;
    dot?: string | true;
    dash?: string | true;
    es5keyword?: boolean;
}) => string;
export declare const toObjectString: <T>(props: T[], path?: keyof T) => string;
export declare const getNumberWord: (num: number) => string;
export declare const escape: (str: string, char?: string) => string;