title: When i integrate dropbox with pods by using pod i am getting error as SFSafariViewController has no member function using Swift 3
body: <p>I have integrated through pods using  pod 'SwiftyDropbox'  then when i try to execute i am getting error as SFSafariViewController has no member function using Swift 3</p>
  
  <pre><code>open class MobileSafariViewController: SFSafariViewController, SFSafariViewControllerDelegate {
      var cancelHandler: (() -&gt; Void) = {}
  
      public init(url: URL, cancelHandler: @escaping (() -&gt; Void)) {
          if #available(iOS 11.0, *) {
              let config = SFSafariViewController.Configuration()
  // (here i am getting error as type SFSafariViewController has no member function)
              config.entersReaderIfAvailable = false
              super.init(url: url, configuration: config)
          } else {
              super.init(url: url, entersReaderIfAvailable: false)
          }
  
          self.cancelHandler = cancelHandler
          self.delegate = self;
      }
  </code></pre>