@Override
    public CompletionStage<Boolean> accept(ServiceRequestContext ctx, T request) {
        return UnmodifiableFuture.completedFuture(rateLimiter.tryAcquire());
    }
Creates a new strategy.

@param requestPerSecond the number of requests per one second this {@link ThrottlingStrategy} accepts.
core/src/main/java/com/linecorp/armeria/server/throttling/RateLimitingThrottlingStrategy.java