pub type PFN_vkCopyAccelerationStructureKHR = unsafe extern "system" fn(_device: Device, _deferred_operation: DeferredOperationKHR, _info: *const CopyAccelerationStructureInfoKHR) -> Result;pub type PFN_vkCopyAccelerationStructureKHR = unsafe extern "system" fn(_device: Device, _deferred_operation: DeferredOperationKHR, _info: *const CopyAccelerationStructureInfoKHR) -> Result;