message: Fix a typo in an argument name in `ClassBasedHandle`
diff: @@ -189,7 +189,7 @@ impl Limiter for ClassBasedLimiter {
  #[async_trait]
  impl LimiterHandle for ClassBasedHandle {
  - async fn request_allowance(&self, num_bytes: u32) {
  + async fn request_allowance(&self, amount: u32) {
  let (responder, waiter) = oneshot::channel();
  // Send a request to the limiter and await a response. If we do not receive one due to
  @@ -201,7 +201,7 @@ impl LimiterHandle for ClassBasedHandle {
  if self
  .sender
  .send(ClassBasedCommand::RequestResource {
  - amount: num_bytes,
  + amount,
  id: self.consumer_id.clone(),
  responder,
  })
  