Finishes asynchronous initialization and returns the result. See g_async_initable_init_async().
a #GAsyncResult.
Return: %TRUE if successful. If an error has occurred, this function will return %FALSE and set @error appropriately if present.
GException on failure.
2.22
See Implementation
Finishes asynchronous initialization and returns the result. See g_async_initable_init_async().