Retrieve information for a particular task.
        `<http://www.elastic.co/guide/en/elasticsearch/reference/current/tasks.html>`_

        :arg task_id: Return the task with specified id (node_id:task_number)
        :arg wait_for_completion: Wait for the matching tasks to complete
            (default: false)
        :arg timeout: Maximum waiting time for `wait_for_completion`

def get(self, task_id=None, params=None):
        """
        Retrieve information for a particular task.
        `<http://www.elastic.co/guide/en/elasticsearch/reference/current/tasks.html>`_

        :arg task_id: Return the task with specified id (node_id:task_number)
        :arg wait_for_completion: Wait for the matching tasks to complete
            (default: false)
        :arg timeout: Maximum waiting time for `wait_for_completion`
        """
        return self.transport.perform_request('GET', _make_path('_tasks',
            task_id), params=params)