public string Serialize(CogniPy.CNL.DL.Paragraph p)
{
signature = new HashSet <Tuple <EntityKind, string> >();
dataValues = new HashSet <Tuple <string, string, string> >();
foundValues = new Dictionary <string, Value>();
dependentAttrs = new Dictionary <string, HashSet <string> >();
instanceValues = new List <InstanceValue>();
return(p.accept(this) as string);
}