@abc.abstractmethod<EOL><INDENT>def get_log_entry_form_for_update(self, log_entry_id):<DEDENT>
return<EOL>
Gets the log entry form for updating an existing log.

        A new log entry form should be requested for each update
        transaction.

        :param log_entry_id: the ``Id`` of the ``LogEntry``
        :type log_entry_id: ``osid.id.Id``
        :return: the log entry form
        :rtype: ``osid.logging.LogEntryForm``
        :raise: ``NotFound`` -- ``log_entry_id`` is not found
        :raise: ``NullArgument`` -- ``log_entry_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*