The default value of this property is an opaque black color.
The value of this property is retained using the Core Foundation retain/release semantics. This behavior occurs despite the fact that the property declaration appears to use the default assign semantics for object retention.
A Boolean indicating whether the layer is allowed to composite itself as a group separate from its parent.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.