static void __attribute__((__used__))
use_protocols(void)
{
    PyObject* p __attribute__((__unused__));
    p = PyObjC_IdToPython(@protocol(MDLComponent));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLMeshBuffer));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLMeshBufferAllocator));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLMeshBufferZone));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLNamed));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLObjectContainerComponent));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLTransformComponent));
    Py_XDECREF(p);
#if PyObjC_BUILD_RELEASE >= 1012
    p = PyObjC_IdToPython(@protocol(MDLLightProbeIrradianceDataSource));
    Py_XDECREF(p);
#endif
#if PyObjC_BUILD_RELEASE >= 1013
    p = PyObjC_IdToPython(@protocol(MDLAssetResolver));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLJointAnimation));
    Py_XDECREF(p);
    p = PyObjC_IdToPython(@protocol(MDLTransformOp));
    Py_XDECREF(p);
#endif
}
