}

    // Test getAsString with default value
    @Test
    public void test_getAsStringWithDefaultValue() {
        dataStoreParams.put("existingKey", "existingValue");
        assertEquals("existingValue", dataStoreParams.getAsString("existingKey", "defaultValue"));

        assertNull(dataStoreParams.getAsString("nonExistentKey"));

        lock.writeLock().lock();
        try {
            // Check if we already have a lease for this path
            Smb2LeaseKey existingKey = pathToLease.get(path);
            if (existingKey != null) {
                LeaseEntry entry = leases.get(existingKey);
                if (entry != null && !entry.breaking) {
                    entry.lastAccessTime = System.currentTimeMillis();

            Smb2LeaseKey existingKey = pathToLease.get(path);
            if (existingKey != null) {
                LeaseEntry entry = leases.get(existingKey);
                if (entry != null && !entry.breaking) {
                    entry.lastAccessTime = System.currentTimeMillis();
                    return existingKey;
                }
            }
            

      ArrayReference<? extends L> existingRef = locks.get(index);
      L existing = existingRef == null ? null : existingRef.get();
      if (existing != null) {
        return existing;
      }
      L created = supplier.get();
      ArrayReference<L> newRef = new ArrayReference<>(created, index, queue);
      while (!locks.compareAndSet(index, existingRef, newRef)) {