class Transport:
    pass

class CLI:
    def __init__(self, transport: Transport):
        self.transport = transport

    async def down(self):
        return await self.transport.send_cmd("down")

    async def enable(self, proto: str):
        return await self.transport.send_cmd("enable", proto)

    async def disable(self, proto: str):
        return await self.transport.send_cmd("disable", proto)

    async def show_route(self, table=["all"]):
        cmd = [ "show", "route" ]
        for t in table:
            cmd.append("table")
            cmd.append(t)

        return await self.transport.send_cmd(*cmd)