docs: def get_task_by_ref(self, ref):
          """
          Get a :class:`Task` by ref.
  
          :param ref: :class:`Task` reference
          """
          response = self.requester.get(
              '/{endpoint}/by_ref?ref={task_ref}&project={project_id}',
              endpoint=Task.endpoint,
              task_ref=ref,
              project_id=self.id
          )
          return Task.parse(self.requester, response.json())