public static void addSizeAllMemTables(final StreamsMetricsImpl streamsMetrics,
                                           final RocksDBMetricContext metricContext,
                                           final Gauge<BigInteger> valueProvider) {
        addMutableMetric(
            streamsMetrics,
            metricContext,
            valueProvider,
            SIZE_OF_ALL_MEMTABLES,
            SIZE_OF_ALL_MEMTABLES_DESCRIPTION
        );
    }
@Test
    public void shouldAddSizeAllMemTablesMetric() {
        final String name = "size-all-mem-tables";
        final String description = "Approximate size of active, unflushed immutable, and pinned immutable memtables in bytes";
        runAndVerifyMutableMetric(
            name,
            description,
            () -> RocksDBMetrics.addSizeAllMemTables(streamsMetrics, ROCKSDB_METRIC_CONTEXT, VALUE_PROVIDER)
        );
    }