rate_limiter.py

class RateLimiter:
    def __init__(self, rate_limit: int, concurrency_limit: int) -> None:
        self.rate_limit = rate_limit
        self.tokens_queue = asyncio.Queue(rate_limit)
        self.tokens_consumer_task = asyncio.create_task(self.consume_tokens())
        self.semaphore = asyncio.Semaphore(concurrency_limit)
        
    async def add_token(self) -> None:
        pass
      
    async def consume_tokens(self) -> None:
        pass
        
    async def throttle(self) -> None:
        pass