- * initialization. If an object implements this interface the
- * g_initable_init() function must be called as the first thing
- * after construction. If g_initable_init() is not called, or if
- * it returns an error, all further operations on the object
- * should fail, generally with a %G_IO_ERROR_NOT_INITIALIZED error.
+ * initialization. If an object implements this interface then
+ * it must be initialized as the first thing after construction,
+ * either via g_initable_init() or g_async_initable_init_async()
+ * (the latter is only available if it also implements #GAsyncInitable).
+ *
+ * If the object is not initialized, or initialization returns with an
+ * error, then all operations on the object except g_object_ref() and
+ * g_object_unref() are considered to be invalid, and have undefined
+ * behaviour. They will often fail with g_critical() or g_warning(), but
+ * this must not be relied on.