| Class | Superclass | Slots | 
|  AllocationCallbacks |  struct | 
|  VK_NOT_READY | 
|  VK_SUCCESS | 
|  Bool32 | 
|  DeviceAddress | 
|  DeviceSize | 
|  Flags | 
|  Flags64 | 
|  Handle | 
|  Instance | 
|  PhysicalDevice | 
|  Result | 
|  SampleMask | 
|  SurfaceKHR | 
| Word | Stack effect | 
|  <Result> | ( number -- enum ) | 
| Word | Stack effect | 
|  AllocationCallbacks? | ( object -- ? ) | 
|  VK_NOT_READY? | ( object -- ? ) | 
|  VK_SUCCESS? | ( object -- ? ) |