https://bugzilla.gnome.org/show_bug.cgi?id=682849
g_datalist_id_get_data
g_datalist_id_remove_data
g_datalist_id_remove_no_notify
+GDuplicateFunc
+g_datalist_id_dup_data
+g_datalist_id_replace_data
<SUBSECTION>
g_datalist_set_data
g_object_set_data
g_object_set_data_full
g_object_steal_data
+g_object_dup_data
+g_object_replace_data
g_object_get_qdata
g_object_set_qdata
g_object_set_qdata_full
g_object_steal_qdata
+g_object_dup_qdata
+g_object_replace_qdata
g_object_set_property
g_object_get_property
g_object_new_valist
g_datalist_foreach
g_datalist_get_data
g_datalist_get_flags
+g_datalist_id_dup_data
g_datalist_id_get_data
+g_datalist_id_replace_data
g_datalist_id_remove_no_notify
g_datalist_id_set_data_full
g_datalist_set_flags
g_object_freeze_notify
g_object_get
g_object_get_data
+g_object_replace_data
+g_object_dup_data
g_object_get_property
g_object_get_qdata
+g_object_dup_qdata
+g_object_replace_qdata
g_object_get_type
g_object_get_valist
g_object_interface_find_property