47_steps = new List<IStep>();

53_steps.Insert(0, step); 58_steps.Add(step); 68for (int i = 0; i < _steps.Count; i++) 70if (target.IsInstanceOfType(_steps[i])) 72_steps.Insert(i, step); 81for (int i = 0; i < _steps.Count; i++) 83if (_steps[i] == target) 85_steps.Insert(i, step); 113for (int i = 0; i < _steps.Count; i++) 115if (target.IsInstanceOfType(_steps[i])) 117if (i == _steps.Count - 1) 118_steps.Add(step); 120_steps.Insert(i + 1, step); 129for (int i = 0; i < _steps.Count; i++) 131if (_steps[i] == target) 133if (i == _steps.Count - 1) 134_steps.Add(step); 136_steps.Insert(i + 1, step); 161for (int i = 0; i < _steps.Count; i++) 163if (_steps[i].GetType() != target) 166_steps.RemoveAt(i); 173while (_steps.Count > 0) 175IStep step = _steps[0]; 188_steps.Remove(step); 199return _steps.ToArray(); 214foreach (IStep step in _steps)