public void Configure(ServiceConfiguration config)
        {
            configuration = config as LevelLoaderServiceConfiguration;

            serviceConfigured.OnNext(this);
            serviceConfigured.OnCompleted();
        }
        public override void OnInspectorGUI()
        {
            configuration = target as LevelLoaderServiceConfiguration;

            GUILayout.Space(10);
            serializedObject.Update();
            levels.DoLayoutList();
            serializedObject.ApplyModifiedProperties();
        }