L21:public abstract class AbstractConfigHelper { L22: L23: protected long reloadInterval = 1000L; L24: L25: public void update() { L26: CommonPoolUtil.execute(this::load); L27: } L28: L29: protected void waitForNext() { L30: if (reloadInterval > 0) { L31: ThreadUtil.sleep(reloadInterval); L32: } L33: } L34: L35: public abstract int load(); L36: L37: public void setReloadInterval(final long reloadInterval) { L38: this.reloadInterval = reloadInterval;...