private synchronized void addOverflowWheel() {
        if (Objects.isNull(overflowWheel)) {
            overflowWheel = new TimingWheel(interval, wheelSize, currentTime, taskCounter, queue);
        }
    }
Instantiates a new Timing wheel.

@param tickMs      the tick ms
@param wheelSize   the wheel size
@param startMs     the start ms
@param taskCounter the task counter
@param queue       the queue
shenyu-common/src/main/java/org/apache/shenyu/common/timer/TimingWheel.java