public AsyncMultiSolution(string name, string description, ProgressAsyncAction action) : base(name, description, action) { }
public AsyncMultiSolution(string name, string description, ProgressAsyncAction action) : base(name, description) { _action = action; }
public AsyncSolution(string name, string description, ProgressAsyncAction action) : base(name, description) { _progressAction = action; }