pub type PFN_vkGetAccelerationStructureMemoryRequirementsNV = unsafe extern "system" fn(_device: Device, _info: *const AccelerationStructureMemoryRequirementsInfoNV, _memory_requirements: *mut MemoryRequirements2KHR);pub type PFN_vkGetAccelerationStructureMemoryRequirementsNV = unsafe extern "system" fn(_device: Device, _info: *const AccelerationStructureMemoryRequirementsInfoNV, _memory_requirements: *mut MemoryRequirements2KHR);