Gist for blog post: http://www.mindbodysouldeveloper.com/2016/01/27/c-sharp-how-to-replace-dictionary-with-factory-method/

Replacing-Dictionary-With-Factory-Method-Helpers.cs

public Enum Level
{
    Top,
    One,
    Two    
}

public class StoredProcParam
{
    public const string ValueDate = "ValueDate";
    public const string Branch = "Branch";
    public const string LevelName = "LevelName";
    public const string SubLevelName = "SubLevelName";    
}