pub type PFN_vkGetMicromapBuildSizesEXT = unsafe extern "system" fn(_device: Device, _build_type: AccelerationStructureBuildTypeKHR, _build_info: *const MicromapBuildInfoEXT, _size_info: *mut MicromapBuildSizesInfoEXT);pub type PFN_vkGetMicromapBuildSizesEXT = unsafe extern "system" fn(_device: Device, _build_type: AccelerationStructureBuildTypeKHR, _build_info: *const MicromapBuildInfoEXT, _size_info: *mut MicromapBuildSizesInfoEXT);