How to use the cobald.interfaces.Pool function in cobald

from tardis.interfaces.state import State
from .dronestates import RequestState
from .dronestates import DownState
from ..utilities.attributedict import AttributeDict
from cobald.daemon import service
from cobald.interfaces import Pool

from datetime import datetime

import asyncio
import logging
import uuid


@service(flavour=asyncio)
class Drone(Pool):
    def __init__(
        self,
        site_agent: SiteAgent,
        batch_system_agent: BatchSystemAgent,
        plugins: Optional[List[Plugin]] = None,
        remote_resource_uuid=None,
        drone_uuid=None,
        state: RequestState = RequestState(),
        created: float = None,
        updated: float = None,
    ):
        self._site_agent = site_agent
        self._batch_system_agent = batch_system_agent
        self._plugins = plugins or []
        self._state = state