code: def ldap_server_definitions(self):
          
          # We do here some lazy loading.
          if not self._ldap_server_definitions:
              self._ldap_server_definitions = LdapServerDefinitionManager(self)
          return self._ldap_server_definitions
docs: :class:`~zhmcclient.LdapServerDefinitionManager`: Access to the
          :term:`LDAP Server Definitions <LDAP Server Definition>` in this
          Console.