* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied
* @user_data: the data to pass to callback function
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the request is satisfied
* @user_data: the data to pass to callback function
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished
* @object_type: a #GType supporting #GAsyncInitable.
* @n_parameters: the number of parameters in @parameters
* @parameters: the parameters to use to construct the object
* @object_type: a #GType supporting #GAsyncInitable.
* @n_parameters: the number of parameters in @parameters
* @parameters: the parameters to use to construct the object
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished
* @first_property_name: the name of the first property, followed by
* the value, and other property value pairs, and ended by %NULL.
* @var_args: The var args list generated from @first_property_name.
* @first_property_name: the name of the first property, followed by
* the value, and other property value pairs, and ended by %NULL.
* @var_args: The var args list generated from @first_property_name.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @callback: a #GAsyncReadyCallback to call when the initialization is
* finished