code: async def root(self):
          
          if self.writing:
              await self.iobj.awrite(binascii.unhexlify(b'011673657269616c697a6174696f6e3a3a617263686976650000'))
  
          else:
              hdr = bytearray(2)
              await self.iobj.areadinto(hdr)
              if hdr != bytearray(b'\x01\x16'):
                  raise ValueError('Unsupported header')
  
              hdr = bytearray(22)
              await self.iobj.areadinto(hdr)
              if hdr != bytearray(b'serialization::archive'):
                  raise ValueError('Unrecognized magic header')
  
              tra = await load_uvarint(self.iobj)
              ver = await load_uvarint(self.iobj)
              if tra != 0:
                  raise ValueError('Tracking not supported')
docs: Root level init
          :return: