gistfile1.txt

using System.Collections.Generic;

public class TransformedResult
{
    
    public IDataSource dataSource;
    public TransformError errorList;
    
    public bool HasErrors {
        get { return errorList.HasErrors(); }
    }
    
}

public class TransformError
{
    
    public List<string> errorList = new List<string>();
    
    public bool HasErrors {
        get { return (ErrorList.Count > 0 ? true : false); }
    }
    
}