+GLIB_AVAILABLE_IN_2_40
+const GVariantType * g_settings_schema_key_get_value_type (GSettingsSchemaKey *key);
+GLIB_AVAILABLE_IN_2_40
+GVariant * g_settings_schema_key_get_default_value (GSettingsSchemaKey *key);
+GLIB_AVAILABLE_IN_2_40
+GVariant * g_settings_schema_key_get_range (GSettingsSchemaKey *key);
+GLIB_AVAILABLE_IN_2_40
+gboolean g_settings_schema_key_range_check (GSettingsSchemaKey *key,
+ GVariant *value);
+
+GLIB_AVAILABLE_IN_2_40
+const gchar * g_settings_schema_key_get_summary (GSettingsSchemaKey *key);
+GLIB_AVAILABLE_IN_2_40
+const gchar * g_settings_schema_key_get_description (GSettingsSchemaKey *key);
+