code: def is_ssl(self):
          
          mode = self._cntl(op=_LCB.LCB_CNTL_SSL_MODE, value_type='int')
          return mode & _LCB.LCB_SSL_ENABLED != 0
docs: Read-only boolean property indicating whether SSL is used for
          this connection.
  
          If this property is true, then all communication between this
          object and the Couchbase cluster is encrypted using SSL.
  
          See :meth:`__init__` for more information on connection options.