@Deprecated
    public static void registerClosureExecutorMetrics(final MetricRegistry registry) {
        registry.register("raft-utils-closure-thread-pool", new ThreadPoolMetricSet(CLOSURE_EXECUTOR));
    }
Register CLOSURE_EXECUTOR into metric registry.
Deprecated, {@link com.alipay.sofa.jraft.util.ThreadPoolsFactory}
jraft-core/src/main/java/com/alipay/sofa/jraft/util/Utils.java