public static <T extends Request> ThrottlingStrategy<T> rateLimiting(double requestsPerSecond) {
        return new RateLimitingThrottlingStrategy<>(requestsPerSecond);
    }
Returns a new {@link ThrottlingStrategy} that provides a throttling strategy based on
requests per second.

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