public ConverterSet this[KeyType keyType, ushort length = 0, byte dec = 0] {
     get {
         return(_dictionary[ConverterSetDictionary.GetKey(keyType, length, dec)]);
     }
     set {
         _dictionary[ConverterSetDictionary.GetKey(keyType, length, dec)] = value;
     }
 }
 public bool ContainsKey(KeyType keyType, ushort length, byte dec)
 {
     return(_dictionary.ContainsKey(ConverterSetDictionary.GetKey(keyType, length, dec)));
 }