Dev:QuartzCore.framework

```QuartzCore```, also known as Core Animation, is an Objective-C framework that to declaratively build an animatable scene graph. CoreAnimation uses a unique rendering model where the graphics operations are run in a separate process.

For an example of using it, see Page Flip.

Debugging
Applications linked with QuartzCore will recognize the following debugging (boolean) environment variables: Alternatively, you can use the CASetDebugFlags to update the flags in runtime.

Other environment variables
Additionally, the following environment variables not governed by CASetDebugFlags also exist: