pub unsafe extern "C" fn g_object_class_install_property(
oclass: *mut GObjectClass,
property_id: c_uint,
pspec: *mut GParamSpec,
)
pub unsafe extern "C" fn g_object_class_install_property(
oclass: *mut GObjectClass,
property_id: c_uint,
pspec: *mut GParamSpec,
)