export declare const getNotAvailableText: () => string;
/**
 *
 * @param value the value to be cloned
 * @note will not work for objects containing functions
 */
export declare const cloneDeep: (value: object | string | number) => object | string | number;
export declare const isEmpty: (value: object) => boolean;
export declare const mergeDeep: (...objects: any[]) => object;
export declare const isNil: (value: any) => boolean;