public ScoredKBestList(int?k, SingleDecision action) : base(k, action) { }
public ScoredKBestList(SingleDecision action) : this(-1, action) { }
public ScoredKBestList(int?k, SingleDecision action) : base(k, action) { }
public ScoredKBestList(SingleDecision action) : this(-1, action) { }