title: Type 'Custom TableViewController' does not conform to protocol 'UICollectionViewDataSource'
body: <p>Type 'Custom TableViewController' does not conform to protocol 'UICollectionViewDataSource'.</p>
  
  <p>I have created a project using Swift and have a UITableViewcontroller. and in UITableFooterView i added collection but i can't add UICollectionViewDataSource.</p>