pub type PFN_vkCopyAccelerationStructureKHR = unsafe extern "system" fn(Device, DeferredOperationKHR, *const CopyAccelerationStructureInfoKHR<'_>) -> Result;pub type PFN_vkCopyAccelerationStructureKHR = unsafe extern "system" fn(Device, DeferredOperationKHR, *const CopyAccelerationStructureInfoKHR<'_>) -> Result;