@Override
    public void decrement(@Nonnull UUID txnId) {
        decrement0(txnId, true);
    }
@Test
    public void decrement() {
        UUID txnId = UuidUtil.newSecureUUID();
        for (int i = 0; i < 11; i++) {
            counter.increment(txnId, false);
        }

        for (int i = 0; i < 11; i++) {
            counter.decrement(txnId);
        }

        Map<UUID, Long> countPerTxnId = counter.getReservedCapacityCountPerTxnId();
        assertNull(countPerTxnId.get(txnId));
        assertEquals(0L, nodeWideUsedCapacityCounter.currentValue());
    }