public static void addNumRunningFlushesMetric(final StreamsMetricsImpl streamsMetrics,
                                                  final RocksDBMetricContext metricContext,
                                                  final Gauge<BigInteger> valueProvider) {
        addMutableMetric(
            streamsMetrics,
            metricContext,
            valueProvider,
            NUMBER_OF_RUNNING_FLUSHES,
            NUMBER_OF_RUNNING_FLUSHES_DESCRIPTION
        );
    }
@Test
    public void shouldAddNumRunningFlushesMetric() {
        final String name = "num-running-flushes";
        final String description = "Number of currently running flushes";
        runAndVerifyMutableMetric(
            name,
            description,
            () -> RocksDBMetrics.addNumRunningFlushesMetric(streamsMetrics, ROCKSDB_METRIC_CONTEXT, VALUE_PROVIDER)
        );
    }