pub unsafe extern "C" fn g_object_class_install_properties(
oclass: *mut GObjectClass,
n_pspecs: c_uint,
pspecs: *mut *mut GParamSpec,
)
pub unsafe extern "C" fn g_object_class_install_properties(
oclass: *mut GObjectClass,
n_pspecs: c_uint,
pspecs: *mut *mut GParamSpec,
)