add more typescript tips

[noonehide]

ts project need more ts tips

export function sortableContainer<P>(
  wrappedComponent: WrappedComponent<P>,
  config?: Config,
): React.ComponentClass<P & SortableContainerProps>;

export function sortableElement<P>(
  wrappedComponent: WrappedComponent<P>,
  config?: Config,
): React.ComponentClass<P & SortableElementProps>;

export function sortableHandle<P>(
  wrappedComponent: WrappedComponent<P>,
  config?: Config,
): React.ComponentClass<P>;