public static void addNumDeletesImmMemTablesMetric(final StreamsMetricsImpl streamsMetrics,
                                                       final RocksDBMetricContext metricContext,
                                                       final Gauge<BigInteger> valueProvider) {
        addMutableMetric(
            streamsMetrics,
            metricContext,
            valueProvider,
            NUMBER_OF_DELETES_IMMUTABLE_MEMTABLES,
            NUMBER_OF_DELETES_IMMUTABLE_MEMTABLES_DESCRIPTION
        );
    }
@Test
    public void shouldAddNumDeletesImmutableMemTablesMetric() {
        final String name = "num-deletes-imm-mem-tables";
        final String description = "Total number of delete entries in the unflushed immutable memtables";
        runAndVerifyMutableMetric(
            name,
            description,
            () -> RocksDBMetrics.addNumDeletesImmMemTablesMetric(streamsMetrics, ROCKSDB_METRIC_CONTEXT, VALUE_PROVIDER)
        );
    }