I want to provide an helper view controller that complies to the UITableViewDataSource protocol. But this class is not intended to be, must be used finalized by inheritance.

Trying to do so, the compiler requires me to implement the protocol in the helper class.
How could I fix this?

```
class BigHeadViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

    // Helper class that do ton of the job
}

class StoryTableViewController: BigHeadViewController {
    // final implementation, must implement UITableViewDataSource
}

```