interface ClassType {
    new (...args: any[]): any;
}
declare function extendInstance(target: any, parentType: ClassType, args: any[], wrapper: Function): void;
declare function extendStatic(target: any, source: any): void;
declare const _default: {
    extendInstance: typeof extendInstance;
    extendStatic: typeof extendStatic;
};
export default _default;