title: RxSwift Error: Property 'text' requires that 'UITextField' inherit from 'UILabel'
body: <pre><code>func bindSearchTextField() {
          searchTextField.rx.text.asObservable().skip(3)
              .debounce(0.3, scheduler: MainScheduler.instance)
              .subscribe(onNext: { [weak self] searchText in
                  guard let strongSelf = self else {
                      return
                  }
                  if let text = searchText {
                      if text == "" {
                          self?.hideLoader()
                          self?.clearButton.isHidden = true
                      } else {
                          self?.clearButton.isHidden = false
                      }
                      strongSelf.presenter?.getAreaCodeList(text: text)
                  }
              }).disposed(by: disposeBag)
      }
  </code></pre>
  
  <p>I'm getting this error after i updated my RxSwift to latest version (from 4.4.0 to 5.1.1).
  Can anyone help me here?</p>