Property definitions

ios $ UIWindow :: defaultinit
# Coordinates an app displays on a device screen
extern class UIWindow in "ObjC" `{ UIWindow * `}
	super UIView

	new in "ObjC" `{ return [[UIWindow alloc] init]; `}

	# Wraps: `[self makeKeyAndVisible]`
	fun make_key_and_visible in "ObjC" `{
		[self makeKeyAndVisible];
	`}
end
lib/ios/ui/uikit.nit:85,1--95,3