extension UILabel {
  public var rText: Property<String?>
  public var rAttributedText: Property<NSAttributedString?>
  public var rTextColor: Property<UIColor?>
}

extension UITextView {
  public var rText: Property<String?>
  public var rAttributedText: Property<NSAttributedString?>
  public var rTextColor: Property<UIColor?>
}

extension UITextField {
  public var rText: Property<String?>
  public var rAttributedText: Property<NSAttributedString?>
  public var rTextColor: Property<UIColor?>
}

extension UIImageView {
  public var rImage: Property<UIImage?>
}

extension UINavigationItem {
  public var rTitle: Property<String?>
}

extension UIProgressView {
  public var rProgress: Property<Float>
}

extension UIBarItem {
public var rTitle: Property<String?>
public var rImage: Property<UIImage?>
public var rEnabled: Property<Bool>
}

extension UIBarButtonItem {
public var rTap: Stream<Void>
}

extension UIActivityIndicatorView {
  public var rAnimating: Property<Bool>
}

extension UISlider {
  public var rValue: Property<Float>
}

extension UIRefreshControl {
  public var rRefreshing: Property<Bool>
}

extension UISwitch {
  public var rOn: Property<Bool>
}

extension UISegmentedControl {
  public var rSelectedSegmentIndex: Property<Int>
}

extension UIRefreshControl {
  public var rRefreshing: Property<Bool>
}

extension UIDatePicker {
  public var rDate: Property<NSDate>
}

extension UIButton {
  public var rTitle: Property<String?>
  public var rTap: Stream<Void>
  public var rSelected: Property<Bool>
  public var rHighlighted: Property<Bool>
}

extension UIControl {
  public var rControlEvent: Stream<UIControlEvents>
  public var rEnabled: Property<Bool>
}

extension UIView {
  public var rAlpha: Property<CGFloat>
  public var rBackgroundColor: Property<UIColor?>
  public var rHidden: Property<Bool>
  public var rUserInteractionEnabled: Property<Bool>
  public var rTintColor: Property<UIColor?>
}

extension PropertyCollectionType {
  public func bindTo(tableView: UITableView, createCell: (NSIndexPath, PropertyCollection<Collection>, UITableView) -> UITableViewCell) -> Disposable
}

extension PropertyCollectionType {
  public func bindTo(collectionView: UICollectionView, createCell: (NSIndexPath, PropertyCollection<Collection>, UICollectionView) -> UICollectionViewCell) -> Disposable
}