protocol CAAction {
    func runActionForKey(_ event: String!, object anObject: AnyObject!, arguments dict: [NSObject : AnyObject]!)
}

protocol CAAction {
    func runActionForKey(_ event: String, object anObject: AnyObject, arguments dict: [NSObject : AnyObject]?)
}

func runActionForKey(_ event: String!, object anObject: AnyObject!, arguments dict: [NSObject : AnyObject]!)

func runActionForKey(_ event: String, object anObject: AnyObject, arguments dict: [NSObject : AnyObject]?)

class CAAnimation : NSObject, NSCoding, NSCopying, CAMediaTiming, CAAction {
    convenience init!()
    class func animation() -> Self!
    class func defaultValueForKey(_ key: String!) -> AnyObject!
    func shouldArchiveValueForKey(_ key: String!) -> Bool
    var timingFunction: CAMediaTimingFunction!
    var delegate: AnyObject!
    var removedOnCompletion: Bool
}
extension CAAnimation {
    var usesSceneTimeBase: Bool
    var fadeInDuration: CGFloat
    var fadeOutDuration: CGFloat
    var animationEvents: [AnyObject]!
}

class CAAnimation : NSObject, NSCoding, NSCopying, CAMediaTiming, CAAction {
    convenience init()
    class func animation() -> Self
    class func defaultValueForKey(_ key: String) -> AnyObject?
    func shouldArchiveValueForKey(_ key: String) -> Bool
    var timingFunction: CAMediaTimingFunction?
    var delegate: AnyObject?
    var removedOnCompletion: Bool
}
extension CAAnimation {
    var usesSceneTimeBase: Bool
    var fadeInDuration: CGFloat
    var fadeOutDuration: CGFloat
    var animationEvents: [SCNAnimationEvent]?
}

class func defaultValueForKey(_ key: String!) -> AnyObject!

class func defaultValueForKey(_ key: String) -> AnyObject?

var delegate: AnyObject!

var delegate: AnyObject?

func shouldArchiveValueForKey(_ key: String!) -> Bool

func shouldArchiveValueForKey(_ key: String) -> Bool

var timingFunction: CAMediaTimingFunction!

var timingFunction: CAMediaTimingFunction?

class CAAnimationGroup : CAAnimation {
    var animations: [AnyObject]!
}

class CAAnimationGroup : CAAnimation {
    var animations: [CAAnimation]?
}

var animations: [AnyObject]!

var animations: [CAAnimation]?

class CABasicAnimation : CAPropertyAnimation {
    var fromValue: AnyObject!
    var toValue: AnyObject!
    var byValue: AnyObject!
}

class CABasicAnimation : CAPropertyAnimation {
    var fromValue: AnyObject?
    var toValue: AnyObject?
    var byValue: AnyObject?
}

var byValue: AnyObject!

var byValue: AnyObject?

var fromValue: AnyObject!

var fromValue: AnyObject?

var toValue: AnyObject!

var toValue: AnyObject?

class CADisplayLink : NSObject {
    init!(target target: AnyObject!, selector sel: Selector) -> CADisplayLink
    class func displayLinkWithTarget(_ target: AnyObject!, selector sel: Selector) -> CADisplayLink!
    func addToRunLoop(_ runloop: NSRunLoop!, forMode mode: String!)
    func removeFromRunLoop(_ runloop: NSRunLoop!, forMode mode: String!)
    func invalidate()
    var timestamp: CFTimeInterval { get }
    var duration: CFTimeInterval { get }
    var paused: Bool
    var frameInterval: Int
}

class CADisplayLink : NSObject {
     init(target target: AnyObject, selector sel: Selector)
    class func displayLinkWithTarget(_ target: AnyObject, selector sel: Selector) -> CADisplayLink
    func addToRunLoop(_ runloop: NSRunLoop, forMode mode: String)
    func removeFromRunLoop(_ runloop: NSRunLoop, forMode mode: String)
    func invalidate()
    var timestamp: CFTimeInterval { get }
    var duration: CFTimeInterval { get }
    var paused: Bool
    var frameInterval: Int
}

func addToRunLoop(_ runloop: NSRunLoop!, forMode mode: String!)

func addToRunLoop(_ runloop: NSRunLoop, forMode mode: String)

init!(target target: AnyObject!, selector sel: Selector) -> CADisplayLink

init(target target: AnyObject, selector sel: Selector)

func removeFromRunLoop(_ runloop: NSRunLoop!, forMode mode: String!)

func removeFromRunLoop(_ runloop: NSRunLoop, forMode mode: String)

class CAEAGLLayer : CALayer, EAGLDrawable {
}

class CAEAGLLayer : CALayer, EAGLDrawable {
    var presentsWithTransaction: Bool
}

struct CAEdgeAntialiasingMask : RawOptionSetType {
    init(_ rawValue: UInt32)
    init(rawValue rawValue: UInt32)
    static var LayerLeftEdge: CAEdgeAntialiasingMask { get }
    static var LayerRightEdge: CAEdgeAntialiasingMask { get }
    static var LayerBottomEdge: CAEdgeAntialiasingMask { get }
    static var LayerTopEdge: CAEdgeAntialiasingMask { get }
}

struct CAEdgeAntialiasingMask : OptionSetType {
    init(rawValue rawValue: UInt32)
    static var LayerLeftEdge: CAEdgeAntialiasingMask { get }
    static var LayerRightEdge: CAEdgeAntialiasingMask { get }
    static var LayerBottomEdge: CAEdgeAntialiasingMask { get }
    static var LayerTopEdge: CAEdgeAntialiasingMask { get }
}

class CAEmitterBehavior : NSObject, NSCoding {
    class func behaviorTypes() -> [AnyObject]!
    init!(type type: String!) -> CAEmitterBehavior
    class func behaviorWithType(_ type: String!) -> CAEmitterBehavior!
    init!(type type: String!)
    var type: String! { get }
    var name: String!
    var enabled: Bool
}

class CAEmitterBehavior : NSObject, NSCoding {
    class func behaviorTypes() -> [String]
     init(type type: String)
    class func behaviorWithType(_ type: String) -> CAEmitterBehavior
    init(type type: String)
    var type: String { get }
    var name: String?
    var enabled: Bool
}

class func behaviorTypes() -> [AnyObject]!

class func behaviorTypes() -> [String]

init!(type type: String!)

init(type type: String)

var name: String!

var name: String?

var type: String! { get }

var type: String { get }

class CAEmitterCell : NSObject, NSCoding, CAMediaTiming {
    convenience init!()
    class func emitterCell() -> Self!
    class func defaultValueForKey(_ key: String!) -> AnyObject!
    func shouldArchiveValueForKey(_ key: String!) -> Bool
    var name: String!
    var enabled: Bool
    var birthRate: Float
    var lifetime: Float
    var lifetimeRange: Float
    var emissionLatitude: CGFloat
    var emissionLongitude: CGFloat
    var emissionRange: CGFloat
    var velocity: CGFloat
    var velocityRange: CGFloat
    var xAcceleration: CGFloat
    var yAcceleration: CGFloat
    var zAcceleration: CGFloat
    var scale: CGFloat
    var scaleRange: CGFloat
    var scaleSpeed: CGFloat
    var spin: CGFloat
    var spinRange: CGFloat
    var color: CGColor!
    var redRange: Float
    var greenRange: Float
    var blueRange: Float
    var alphaRange: Float
    var redSpeed: Float
    var greenSpeed: Float
    var blueSpeed: Float
    var alphaSpeed: Float
    var contents: AnyObject!
    var contentsRect: CGRect
    var minificationFilter: String!
    var magnificationFilter: String!
    var minificationFilterBias: Float
    var emitterCells: [AnyObject]!
    var style: [NSObject : AnyObject]!
}

class CAEmitterCell : NSObject, NSCoding, CAMediaTiming {
    convenience init()
    class func emitterCell() -> Self
    class func defaultValueForKey(_ key: String) -> AnyObject?
    func shouldArchiveValueForKey(_ key: String) -> Bool
    var name: String?
    var enabled: Bool
    var birthRate: Float
    var lifetime: Float
    var lifetimeRange: Float
    var emissionLatitude: CGFloat
    var emissionLongitude: CGFloat
    var emissionRange: CGFloat
    var velocity: CGFloat
    var velocityRange: CGFloat
    var xAcceleration: CGFloat
    var yAcceleration: CGFloat
    var zAcceleration: CGFloat
    var scale: CGFloat
    var scaleRange: CGFloat
    var scaleSpeed: CGFloat
    var spin: CGFloat
    var spinRange: CGFloat
    var color: CGColor?
    var redRange: Float
    var greenRange: Float
    var blueRange: Float
    var alphaRange: Float
    var redSpeed: Float
    var greenSpeed: Float
    var blueSpeed: Float
    var alphaSpeed: Float
    var contents: AnyObject?
    var contentsRect: CGRect
    var contentsScale: CGFloat
    var minificationFilter: String
    var magnificationFilter: String
    var minificationFilterBias: Float
    var emitterCells: [CAEmitterCell]?
    var style: [NSObject : AnyObject]?
}

var color: CGColor!

var color: CGColor?

var contents: AnyObject!

var contents: AnyObject?

class func defaultValueForKey(_ key: String!) -> AnyObject!

class func defaultValueForKey(_ key: String) -> AnyObject?

var emitterCells: [AnyObject]!

var emitterCells: [CAEmitterCell]?

var magnificationFilter: String!

var magnificationFilter: String

var minificationFilter: String!

var minificationFilter: String

var name: String!

var name: String?

func shouldArchiveValueForKey(_ key: String!) -> Bool

func shouldArchiveValueForKey(_ key: String) -> Bool

var style: [NSObject : AnyObject]!

var style: [NSObject : AnyObject]?

class CAEmitterLayer : CALayer {
    var emitterCells: [AnyObject]!
    var birthRate: Float
    var lifetime: Float
    var emitterPosition: CGPoint
    var emitterZPosition: CGFloat
    var emitterSize: CGSize
    var emitterDepth: CGFloat
    var emitterShape: String!
    var emitterMode: String!
    var renderMode: String!
    var preservesDepth: Bool
    var velocity: Float
    var scale: Float
    var spin: Float
    var seed: UInt32
}

class CAEmitterLayer : CALayer {
    var emitterCells: [CAEmitterCell]?
    var birthRate: Float
    var lifetime: Float
    var emitterPosition: CGPoint
    var emitterZPosition: CGFloat
    var emitterSize: CGSize
    var emitterDepth: CGFloat
    var emitterShape: String
    var emitterMode: String
    var renderMode: String
    var preservesDepth: Bool
    var velocity: Float
    var scale: Float
    var spin: Float
    var seed: UInt32
}

var emitterCells: [AnyObject]!

var emitterCells: [CAEmitterCell]?

var emitterMode: String!

var emitterMode: String

var emitterShape: String!

var emitterShape: String

var renderMode: String!

var renderMode: String

class CAGradientLayer : CALayer {
    var colors: [AnyObject]!
    var locations: [AnyObject]!
    var startPoint: CGPoint
    var endPoint: CGPoint
    var type: String!
}

class CAGradientLayer : CALayer {
    var colors: [AnyObject]?
    var locations: [NSNumber]?
    var startPoint: CGPoint
    var endPoint: CGPoint
    var type: String
}

var colors: [AnyObject]!

var colors: [AnyObject]?

var locations: [AnyObject]!

var locations: [NSNumber]?

var type: String!

var type: String

class CAKeyframeAnimation : CAPropertyAnimation {
    var values: [AnyObject]!
    var path: CGPath!
    var keyTimes: [AnyObject]!
    var timingFunctions: [AnyObject]!
    var calculationMode: String!
    var tensionValues: [AnyObject]!
    var continuityValues: [AnyObject]!
    var biasValues: [AnyObject]!
    var rotationMode: String!
}

class CAKeyframeAnimation : CAPropertyAnimation {
    var values: [AnyObject]?
    var path: CGPath?
    var keyTimes: [NSNumber]?
    var timingFunctions: [CAMediaTimingFunction]?
    var calculationMode: String
    var tensionValues: [NSNumber]?
    var continuityValues: [NSNumber]?
    var biasValues: [NSNumber]?
    var rotationMode: String?
}

var biasValues: [AnyObject]!

var biasValues: [NSNumber]?

var calculationMode: String!

var calculationMode: String

var continuityValues: [AnyObject]!

var continuityValues: [NSNumber]?

var keyTimes: [AnyObject]!

var keyTimes: [NSNumber]?

var path: CGPath!

var path: CGPath?

var rotationMode: String!

var rotationMode: String?

var tensionValues: [AnyObject]!

var tensionValues: [NSNumber]?

var timingFunctions: [AnyObject]!

var timingFunctions: [CAMediaTimingFunction]?

var values: [AnyObject]!

var values: [AnyObject]?

class CALayer : NSObject, NSCoding, CAMediaTiming {
    convenience init!()
    class func layer() -> Self!
    init!()
    init!(layer layer: AnyObject!)
    func presentationLayer() -> AnyObject!
    func modelLayer() -> AnyObject!
    class func defaultValueForKey(_ key: String!) -> AnyObject!
    class func needsDisplayForKey(_ key: String!) -> Bool
    func shouldArchiveValueForKey(_ key: String!) -> Bool
    var bounds: CGRect
    var position: CGPoint
    var zPosition: CGFloat
    var anchorPoint: CGPoint
    var anchorPointZ: CGFloat
    var transform: CATransform3D
    func affineTransform() -> CGAffineTransform
    func setAffineTransform(_ m: CGAffineTransform)
    var frame: CGRect
    var hidden: Bool
    var doubleSided: Bool
    var geometryFlipped: Bool
    func contentsAreFlipped() -> Bool
    var superlayer: CALayer! { get }
    func removeFromSuperlayer()
    var sublayers: [AnyObject]!
    func addSublayer(_ layer: CALayer!)
    func insertSublayer(_ layer: CALayer!, atIndex idx: UInt32)
    func insertSublayer(_ layer: CALayer!, below sibling: CALayer!)
    func insertSublayer(_ layer: CALayer!, above sibling: CALayer!)
    func replaceSublayer(_ layer: CALayer!, with layer2: CALayer!)
    var sublayerTransform: CATransform3D
    var mask: CALayer!
    var masksToBounds: Bool
    func convertPoint(_ p: CGPoint, fromLayer l: CALayer!) -> CGPoint
    func convertPoint(_ p: CGPoint, toLayer l: CALayer!) -> CGPoint
    func convertRect(_ r: CGRect, fromLayer l: CALayer!) -> CGRect
    func convertRect(_ r: CGRect, toLayer l: CALayer!) -> CGRect
    func convertTime(_ t: CFTimeInterval, fromLayer l: CALayer!) -> CFTimeInterval
    func convertTime(_ t: CFTimeInterval, toLayer l: CALayer!) -> CFTimeInterval
    func hitTest(_ p: CGPoint) -> CALayer!
    func containsPoint(_ p: CGPoint) -> Bool
    var contents: AnyObject!
    var contentsRect: CGRect
    var contentsGravity: String!
    var contentsScale: CGFloat
    var contentsCenter: CGRect
    var minificationFilter: String!
    var magnificationFilter: String!
    var minificationFilterBias: Float
    var opaque: Bool
    func display()
    func setNeedsDisplay()
    func setNeedsDisplayInRect(_ r: CGRect)
    func needsDisplay() -> Bool
    func displayIfNeeded()
    var needsDisplayOnBoundsChange: Bool
    var drawsAsynchronously: Bool
    func drawInContext(_ ctx: CGContext!)
    func renderInContext(_ ctx: CGContext!)
    var edgeAntialiasingMask: CAEdgeAntialiasingMask
    var allowsEdgeAntialiasing: Bool
    var backgroundColor: CGColor!
    var cornerRadius: CGFloat
    var borderWidth: CGFloat
    var borderColor: CGColor!
    var opacity: Float
    var allowsGroupOpacity: Bool
    var compositingFilter: AnyObject!
    var filters: [AnyObject]!
    var backgroundFilters: [AnyObject]!
    var shouldRasterize: Bool
    var rasterizationScale: CGFloat
    var shadowColor: CGColor!
    var shadowOpacity: Float
    var shadowOffset: CGSize
    var shadowRadius: CGFloat
    var shadowPath: CGPath!
    func preferredFrameSize() -> CGSize
    func setNeedsLayout()
    func needsLayout() -> Bool
    func layoutIfNeeded()
    func layoutSublayers()
    class func defaultActionForKey(_ event: String!) -> CAAction!
    func actionForKey(_ event: String!) -> CAAction!
    var actions: [NSObject : AnyObject]!
    func addAnimation(_ anim: CAAnimation!, forKey key: String!)
    func removeAllAnimations()
    func removeAnimationForKey(_ key: String!)
    func animationKeys() -> [AnyObject]!
    func animationForKey(_ key: String!) -> CAAnimation!
    var name: String!
    weak var delegate: AnyObject!
    var style: [NSObject : AnyObject]!
}
extension CALayer {
    func scrollPoint(_ p: CGPoint)
    func scrollRectToVisible(_ r: CGRect)
    var visibleRect: CGRect { get }
}

class CALayer : NSObject, NSCoding, CAMediaTiming {
    convenience init()
    class func layer() -> Self
    init()
    init(layer layer: AnyObject)
    func presentationLayer() -> AnyObject?
    func modelLayer() -> AnyObject
    class func defaultValueForKey(_ key: String) -> AnyObject?
    class func needsDisplayForKey(_ key: String) -> Bool
    func shouldArchiveValueForKey(_ key: String) -> Bool
    var bounds: CGRect
    var position: CGPoint
    var zPosition: CGFloat
    var anchorPoint: CGPoint
    var anchorPointZ: CGFloat
    var transform: CATransform3D
    func affineTransform() -> CGAffineTransform
    func setAffineTransform(_ m: CGAffineTransform)
    var frame: CGRect
    var hidden: Bool
    var doubleSided: Bool
    var geometryFlipped: Bool
    func contentsAreFlipped() -> Bool
    var superlayer: CALayer? { get }
    func removeFromSuperlayer()
    var sublayers: [CALayer]?
    func addSublayer(_ layer: CALayer)
    func insertSublayer(_ layer: CALayer, atIndex idx: UInt32)
    func insertSublayer(_ layer: CALayer, below sibling: CALayer?)
    func insertSublayer(_ layer: CALayer, above sibling: CALayer?)
    func replaceSublayer(_ layer: CALayer, with layer2: CALayer)
    var sublayerTransform: CATransform3D
    var mask: CALayer?
    var masksToBounds: Bool
    func convertPoint(_ p: CGPoint, fromLayer l: CALayer?) -> CGPoint
    func convertPoint(_ p: CGPoint, toLayer l: CALayer?) -> CGPoint
    func convertRect(_ r: CGRect, fromLayer l: CALayer?) -> CGRect
    func convertRect(_ r: CGRect, toLayer l: CALayer?) -> CGRect
    func convertTime(_ t: CFTimeInterval, fromLayer l: CALayer?) -> CFTimeInterval
    func convertTime(_ t: CFTimeInterval, toLayer l: CALayer?) -> CFTimeInterval
    func hitTest(_ p: CGPoint) -> CALayer?
    func containsPoint(_ p: CGPoint) -> Bool
    var contents: AnyObject?
    var contentsRect: CGRect
    var contentsGravity: String
    var contentsScale: CGFloat
    var contentsCenter: CGRect
    var minificationFilter: String
    var magnificationFilter: String
    var minificationFilterBias: Float
    var opaque: Bool
    func display()
    func setNeedsDisplay()
    func setNeedsDisplayInRect(_ r: CGRect)
    func needsDisplay() -> Bool
    func displayIfNeeded()
    var needsDisplayOnBoundsChange: Bool
    var drawsAsynchronously: Bool
    func drawInContext(_ ctx: CGContext)
    func renderInContext(_ ctx: CGContext)
    var edgeAntialiasingMask: CAEdgeAntialiasingMask
    var allowsEdgeAntialiasing: Bool
    var backgroundColor: CGColor?
    var cornerRadius: CGFloat
    var borderWidth: CGFloat
    var borderColor: CGColor?
    var opacity: Float
    var allowsGroupOpacity: Bool
    var compositingFilter: AnyObject?
    var filters: [AnyObject]?
    var backgroundFilters: [AnyObject]?
    var shouldRasterize: Bool
    var rasterizationScale: CGFloat
    var shadowColor: CGColor?
    var shadowOpacity: Float
    var shadowOffset: CGSize
    var shadowRadius: CGFloat
    var shadowPath: CGPath?
    func preferredFrameSize() -> CGSize
    func setNeedsLayout()
    func needsLayout() -> Bool
    func layoutIfNeeded()
    func layoutSublayers()
    class func defaultActionForKey(_ event: String) -> CAAction?
    func actionForKey(_ event: String) -> CAAction?
    var actions: [String : CAAction]?
    func addAnimation(_ anim: CAAnimation, forKey key: String?)
    func removeAllAnimations()
    func removeAnimationForKey(_ key: String)
    func animationKeys() -> [String]?
    func animationForKey(_ key: String) -> CAAnimation?
    var name: String?
    weak var delegate: AnyObject?
    var style: [NSObject : AnyObject]?
}
extension CALayer {
    func scrollPoint(_ p: CGPoint)
    func scrollRectToVisible(_ r: CGRect)
    var visibleRect: CGRect { get }
}

func actionForKey(_ event: String!) -> CAAction!

func actionForKey(_ event: String) -> CAAction?

var actions: [NSObject : AnyObject]!

var actions: [String : CAAction]?

func addAnimation(_ anim: CAAnimation!, forKey key: String!)

func addAnimation(_ anim: CAAnimation, forKey key: String?)

func addSublayer(_ layer: CALayer!)

func addSublayer(_ layer: CALayer)

func animationForKey(_ key: String!) -> CAAnimation!

func animationForKey(_ key: String) -> CAAnimation?

func animationKeys() -> [AnyObject]!

func animationKeys() -> [String]?

var backgroundColor: CGColor!

var backgroundColor: CGColor?

var backgroundFilters: [AnyObject]!

var backgroundFilters: [AnyObject]?

var borderColor: CGColor!

var borderColor: CGColor?

var compositingFilter: AnyObject!

var compositingFilter: AnyObject?

var contents: AnyObject!

var contents: AnyObject?

var contentsGravity: String!

var contentsGravity: String

func convertPoint(_ p: CGPoint, fromLayer l: CALayer!) -> CGPoint

func convertPoint(_ p: CGPoint, fromLayer l: CALayer?) -> CGPoint

func convertPoint(_ p: CGPoint, toLayer l: CALayer!) -> CGPoint

func convertPoint(_ p: CGPoint, toLayer l: CALayer?) -> CGPoint

func convertRect(_ r: CGRect, fromLayer l: CALayer!) -> CGRect

func convertRect(_ r: CGRect, fromLayer l: CALayer?) -> CGRect

func convertRect(_ r: CGRect, toLayer l: CALayer!) -> CGRect

func convertRect(_ r: CGRect, toLayer l: CALayer?) -> CGRect

func convertTime(_ t: CFTimeInterval, fromLayer l: CALayer!) -> CFTimeInterval

func convertTime(_ t: CFTimeInterval, fromLayer l: CALayer?) -> CFTimeInterval

func convertTime(_ t: CFTimeInterval, toLayer l: CALayer!) -> CFTimeInterval

func convertTime(_ t: CFTimeInterval, toLayer l: CALayer?) -> CFTimeInterval

class func defaultActionForKey(_ event: String!) -> CAAction!

class func defaultActionForKey(_ event: String) -> CAAction?

class func defaultValueForKey(_ key: String!) -> AnyObject!

class func defaultValueForKey(_ key: String) -> AnyObject?

weak var delegate: AnyObject!

weak var delegate: AnyObject?

func drawInContext(_ ctx: CGContext!)

func drawInContext(_ ctx: CGContext)

var filters: [AnyObject]!

var filters: [AnyObject]?

func hitTest(_ p: CGPoint) -> CALayer!

func hitTest(_ p: CGPoint) -> CALayer?

init!()

init()

init!(layer layer: AnyObject!)

init(layer layer: AnyObject)

func insertSublayer(_ layer: CALayer!, above sibling: CALayer!)

func insertSublayer(_ layer: CALayer, above sibling: CALayer?)

func insertSublayer(_ layer: CALayer!, atIndex idx: UInt32)

func insertSublayer(_ layer: CALayer, atIndex idx: UInt32)

func insertSublayer(_ layer: CALayer!, below sibling: CALayer!)

func insertSublayer(_ layer: CALayer, below sibling: CALayer?)

var magnificationFilter: String!

var magnificationFilter: String

var mask: CALayer!

var mask: CALayer?

var minificationFilter: String!

var minificationFilter: String

func modelLayer() -> AnyObject!

func modelLayer() -> AnyObject

var name: String!

var name: String?

class func needsDisplayForKey(_ key: String!) -> Bool

class func needsDisplayForKey(_ key: String) -> Bool

func presentationLayer() -> AnyObject!

func presentationLayer() -> AnyObject?

func removeAnimationForKey(_ key: String!)

func removeAnimationForKey(_ key: String)

func renderInContext(_ ctx: CGContext!)

func renderInContext(_ ctx: CGContext)

func replaceSublayer(_ layer: CALayer!, with layer2: CALayer!)

func replaceSublayer(_ layer: CALayer, with layer2: CALayer)

var shadowColor: CGColor!

var shadowColor: CGColor?

var shadowPath: CGPath!

var shadowPath: CGPath?

func shouldArchiveValueForKey(_ key: String!) -> Bool

func shouldArchiveValueForKey(_ key: String) -> Bool

var style: [NSObject : AnyObject]!

var style: [NSObject : AnyObject]?

var sublayers: [AnyObject]!

var sublayers: [CALayer]?

var superlayer: CALayer! { get }

var superlayer: CALayer? { get }

protocol CAMediaTiming {
    var beginTime: CFTimeInterval { get set }
    var duration: CFTimeInterval { get set }
    var speed: Float { get set }
    var timeOffset: CFTimeInterval { get set }
    var repeatCount: Float { get set }
    var repeatDuration: CFTimeInterval { get set }
    var autoreverses: Bool { get set }
    var fillMode: String! { get set }
}

protocol CAMediaTiming {
    var beginTime: CFTimeInterval { get set }
    var duration: CFTimeInterval { get set }
    var speed: Float { get set }
    var timeOffset: CFTimeInterval { get set }
    var repeatCount: Float { get set }
    var repeatDuration: CFTimeInterval { get set }
    var autoreverses: Bool { get set }
    var fillMode: String { get set }
}

var fillMode: String! { get set }

var fillMode: String { get set }

class CAMediaTimingFunction : NSObject, NSCoding {
    convenience init!(name name: String!)
    class func functionWithName(_ name: String!) -> Self!
    convenience init!(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)
    class func functionWithControlPoints(_ c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float) -> Self!
    init!(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)
    func getControlPointAtIndex(_ idx: Int, values ptr: UnsafeMutablePointer<Float>)
}

class CAMediaTimingFunction : NSObject, NSCoding {
    convenience init(name name: String)
    class func functionWithName(_ name: String) -> Self
    convenience init(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)
    class func functionWithControlPoints(_ c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float) -> Self
    init(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)
    func getControlPointAtIndex(_ idx: Int, values ptr: UnsafeMutablePointer<Float>)
}

init!(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)

init(controlPoints c1x: Float, _ c1y: Float, _ c2x: Float, _ c2y: Float)

convenience init!(name name: String!)

convenience init(name name: String)

protocol CAMetalDrawable : MTLDrawable, NSObjectProtocol {
    var texture: MTLTexture! { get }
    var layer: CAMetalLayer! { get }
}

protocol CAMetalDrawable : MTLDrawable, NSObjectProtocol {
    var texture: MTLTexture { get }
    var layer: CAMetalLayer { get }
}

var layer: CAMetalLayer! { get }

var layer: CAMetalLayer { get }

var texture: MTLTexture! { get }

var texture: MTLTexture { get }

class CAMetalLayer : CALayer {
    var device: MTLDevice!
    var pixelFormat: MTLPixelFormat
    var framebufferOnly: Bool
    var drawableSize: CGSize
    func nextDrawable() -> CAMetalDrawable!
    func newDrawable() -> CAMetalDrawable!
    var presentsWithTransaction: Bool
}

class CAMetalLayer : CALayer {
    var device: MTLDevice?
    var pixelFormat: MTLPixelFormat
    var framebufferOnly: Bool
    var drawableSize: CGSize
    func nextDrawable() -> CAMetalDrawable?
    var presentsWithTransaction: Bool
}

var device: MTLDevice!

var device: MTLDevice?

func nextDrawable() -> CAMetalDrawable!

func nextDrawable() -> CAMetalDrawable?

class CAPropertyAnimation : CAAnimation {
    convenience init!(keyPath path: String!)
    class func animationWithKeyPath(_ path: String!) -> Self!
    var keyPath: String!
    var additive: Bool
    var cumulative: Bool
    var valueFunction: CAValueFunction!
}

class CAPropertyAnimation : CAAnimation {
    convenience init(keyPath path: String?)
    class func animationWithKeyPath(_ path: String?) -> Self
    var keyPath: String?
    var additive: Bool
    var cumulative: Bool
    var valueFunction: CAValueFunction?
}

convenience init!(keyPath path: String!)

convenience init(keyPath path: String?)

var keyPath: String!

var keyPath: String?

var valueFunction: CAValueFunction!

var valueFunction: CAValueFunction?

class CAReplicatorLayer : CALayer {
    var instanceCount: Int
    var preservesDepth: Bool
    var instanceDelay: CFTimeInterval
    var instanceTransform: CATransform3D
    var instanceColor: CGColor!
    var instanceRedOffset: Float
    var instanceGreenOffset: Float
    var instanceBlueOffset: Float
    var instanceAlphaOffset: Float
}

class CAReplicatorLayer : CALayer {
    var instanceCount: Int
    var preservesDepth: Bool
    var instanceDelay: CFTimeInterval
    var instanceTransform: CATransform3D
    var instanceColor: CGColor?
    var instanceRedOffset: Float
    var instanceGreenOffset: Float
    var instanceBlueOffset: Float
    var instanceAlphaOffset: Float
}

var instanceColor: CGColor!

var instanceColor: CGColor?

class CAScrollLayer : CALayer {
    func scrollToPoint(_ p: CGPoint)
    func scrollToRect(_ r: CGRect)
    var scrollMode: String!
}

class CAScrollLayer : CALayer {
    func scrollToPoint(_ p: CGPoint)
    func scrollToRect(_ r: CGRect)
    var scrollMode: String
}

var scrollMode: String!

var scrollMode: String

class CAShapeLayer : CALayer {
    var path: CGPath!
    var fillColor: CGColor!
    var fillRule: String!
    var strokeColor: CGColor!
    var strokeStart: CGFloat
    var strokeEnd: CGFloat
    var lineWidth: CGFloat
    var miterLimit: CGFloat
    var lineCap: String!
    var lineJoin: String!
    var lineDashPhase: CGFloat
    var lineDashPattern: [AnyObject]!
}

class CAShapeLayer : CALayer {
    var path: CGPath?
    var fillColor: CGColor?
    var fillRule: String
    var strokeColor: CGColor?
    var strokeStart: CGFloat
    var strokeEnd: CGFloat
    var lineWidth: CGFloat
    var miterLimit: CGFloat
    var lineCap: String
    var lineJoin: String
    var lineDashPhase: CGFloat
    var lineDashPattern: [NSNumber]?
}

var fillColor: CGColor!

var fillColor: CGColor?

var fillRule: String!

var fillRule: String

var lineCap: String!

var lineCap: String

var lineDashPattern: [AnyObject]!

var lineDashPattern: [NSNumber]?

var lineJoin: String!

var lineJoin: String

var path: CGPath!

var path: CGPath?

var strokeColor: CGColor!

var strokeColor: CGColor?

class CATextLayer : CALayer {
    @NSCopying var string: AnyObject!
    var font: AnyObject!
    var fontSize: CGFloat
    var foregroundColor: CGColor!
    var wrapped: Bool
    var truncationMode: String!
    var alignmentMode: String!
}

class CATextLayer : CALayer {
    @NSCopying var string: AnyObject?
    var font: AnyObject?
    var fontSize: CGFloat
    var foregroundColor: CGColor?
    var wrapped: Bool
    var truncationMode: String
    var alignmentMode: String
    var allowsFontSubpixelQuantization: Bool
}

var alignmentMode: String!

var alignmentMode: String

var font: AnyObject!

var font: AnyObject?

var foregroundColor: CGColor!

var foregroundColor: CGColor?

@NSCopying var string: AnyObject!

@NSCopying var string: AnyObject?

var truncationMode: String!

var truncationMode: String

class CATransaction : NSObject {
    class func begin()
    class func commit()
    class func flush()
    class func lock()
    class func unlock()
    class func animationDuration() -> CFTimeInterval
    class func setAnimationDuration(_ dur: CFTimeInterval)
    class func animationTimingFunction() -> CAMediaTimingFunction!
    class func setAnimationTimingFunction(_ function: CAMediaTimingFunction!)
    class func disableActions() -> Bool
    class func setDisableActions(_ flag: Bool)
    class func completionBlock() -> (() -> Void)!
    class func setCompletionBlock(_ block: (() -> Void)!)
    class func valueForKey(_ key: String!) -> AnyObject!
    class func setValue(_ anObject: AnyObject!, forKey key: String!)
}

class CATransaction : NSObject {
    class func begin()
    class func commit()
    class func flush()
    class func lock()
    class func unlock()
    class func animationDuration() -> CFTimeInterval
    class func setAnimationDuration(_ dur: CFTimeInterval)
    class func animationTimingFunction() -> CAMediaTimingFunction?
    class func setAnimationTimingFunction(_ function: CAMediaTimingFunction?)
    class func disableActions() -> Bool
    class func setDisableActions(_ flag: Bool)
    class func completionBlock() -> (() -> Void)?
    class func setCompletionBlock(_ block: (() -> Void)?)
    class func valueForKey(_ key: String) -> AnyObject?
    class func setValue(_ anObject: AnyObject?, forKey key: String)
}

class func animationTimingFunction() -> CAMediaTimingFunction!

class func animationTimingFunction() -> CAMediaTimingFunction?

class func completionBlock() -> (() -> Void)!

class func completionBlock() -> (() -> Void)?

class func setAnimationTimingFunction(_ function: CAMediaTimingFunction!)

class func setAnimationTimingFunction(_ function: CAMediaTimingFunction?)

class func setCompletionBlock(_ block: (() -> Void)!)

class func setCompletionBlock(_ block: (() -> Void)?)

class func setValue(_ anObject: AnyObject!, forKey key: String!)

class func setValue(_ anObject: AnyObject?, forKey key: String)

class func valueForKey(_ key: String!) -> AnyObject!

class func valueForKey(_ key: String) -> AnyObject?

class CATransition : CAAnimation {
    var type: String!
    var subtype: String!
    var startProgress: Float
    var endProgress: Float
    var filter: AnyObject!
}

class CATransition : CAAnimation {
    var type: String
    var subtype: String?
    var startProgress: Float
    var endProgress: Float
    var filter: AnyObject?
}

var filter: AnyObject!

var filter: AnyObject?

var subtype: String!

var subtype: String?

var type: String!

var type: String

class CAValueFunction : NSObject, NSCoding {
    convenience init!(name name: String!)
    class func functionWithName(_ name: String!) -> Self!
    var name: String! { get }
}

class CAValueFunction : NSObject, NSCoding {
    convenience init?(name name: String)
    class func functionWithName(_ name: String) -> Self?
    var name: String { get }
}

convenience init!(name name: String!)

convenience init?(name name: String)

var name: String! { get }

var name: String { get }

func actionForLayer(_ layer: CALayer!, forKey event: String!) -> CAAction!

func actionForLayer(_ layer: CALayer, forKey event: String) -> CAAction?

func animationDidStart(_ anim: CAAnimation!)

func animationDidStart(_ anim: CAAnimation)

func animationDidStop(_ anim: CAAnimation!, finished flag: Bool)

func animationDidStop(_ anim: CAAnimation, finished flag: Bool)

func displayLayer(_ layer: CALayer!)

func displayLayer(_ layer: CALayer)

func drawLayer(_ layer: CALayer!, inContext ctx: CGContext!)

func drawLayer(_ layer: CALayer, inContext ctx: CGContext)

func layoutSublayersOfLayer(_ layer: CALayer!)

func layoutSublayersOfLayer(_ layer: CALayer)

init!(CATransform3D t: CATransform3D) -> NSValue

init(CATransform3D t: CATransform3D)