     mixMap(map: value)
   }
 
-
   mutating func visitMapField<KeyType, ValueType>(
     fieldType: _ProtobufEnumMap<KeyType, ValueType>.Type,
     value: _ProtobufEnumMap<KeyType, ValueType>.BaseType,

    mix(value.hashValue)
  }

  mutating func visitMapField<KeyType, ValueType: MapValueType>(
    fieldType: _ProtobufMap<KeyType, ValueType>.Type,
    value: _ProtobufMap<KeyType, ValueType>.BaseType,

    mixMap(map: value)
  }

  mutating func visitMapField<KeyType, ValueType>(
    fieldType: _ProtobufMessageMap<KeyType, ValueType>.Type,
    value: _ProtobufMessageMap<KeyType, ValueType>.BaseType,
