Expand documentation on configuration parameters usage
@@ -187,6 +187,10 @@ pub trait Runtime: Send + Debug + 'static {
/// Configure a service instance with the given parameters.
///
+ /// The configuration parameters passed to the method are discarded immediately.
+ /// So the service instance should save them by itself if it is important for
+ /// the service business logic.
+ ///
/// This method is called in two cases:
///
/// * After creating a new service instance by the [`start_service`] invocation. In this case,
