code: def serialize(self, m):
          '''Serialize the macaroon in JSON format indicated by the version field.
  
          @param macaroon the macaroon to serialize.
          @return JSON macaroon.
          '''
          from pymacaroons import macaroon
          if m.version == macaroon.MACAROON_V1:
              return self._serialize_v1(m)
          return self._serialize_v2(mf serialize(self, m):
          '''Serialize the macaroon in JSON format indicated by the version field.
  
          @param macaroon the macaroon to serialize.
          @return JSON macaroon.
          '''
          from pymacaroons import macaroon
          if m.version == macaroon.MACAROON_V1:
              return self._serialize_v1(m)
          return self._serialize_v2(m)
docs: Serialize the macaroon in JSON format indicated by the version field.
  
          @param macaroon the macaroon to serialize.
          @return JSON macaroon.