protected Credentials getDefaultCredentials() {
            return defaultCreds;
        }

        @Override
        public boolean close() throws CIFSException {
            closeCalled = true;
            // Call super.close() to ensure the shutdown hook is removed
            return super.close();
        }

        public boolean isCloseCalled() {
            return closeCalled;
        }

        @Override

            return Integer.parseInt(versionStr);
        } catch (Exception e) {
            return 0;
        }
    }

    /**
     * Close the key manager and securely wipe all keys
     */
    @Override
    public void close() {
        if (closed) {
            return;
        }

        log.info("Closing SecureKeyManager and wiping all keys");

        try {

      private var closed = false

      override fun close() {
        if (closed) return
        try {
          super.close()
        } finally {
          closedLatch.countDown()
        }
      }
    }.buffer()

  override val sink: BufferedSink =
    object : ForwardingSink(delegate.sink) {
      private var closed = false

      override fun close() {
        if (closed) return
        try {

	}
	w := NewWriter(&buf)
	if _, err := w.CreateHeader(h); err != nil {
		t.Fatalf("unexpected CreateHeader error: %v", err)
	}
	if err := w.Close(); err != nil {
		t.Fatalf("unexpected Close error: %v", err)
	}

	want, err := os.ReadFile("testdata/time-go.zip")
	if err != nil {
		t.Fatalf("unexpected ReadFile error: %v", err)
	}

            return invocation.getArgument(1);
        });

        // When: Create iterator and close multiple times
        NetServerEnumIterator iterator = new NetServerEnumIterator(parent, treeHandle, "*", 0, null);

        iterator.close();
        iterator.close(); // Second close should be safe

        // Then: Tree handle should be released only once
        verify(treeHandle, times(1)).release();

	kexAlgoDH1SHA1,
}

// supportedPubKeyAuthAlgos specifies the supported client public key
// authentication algorithms. Note that this doesn't include certificate types
// since those use the underlying algorithm. This list is sent to the client if
// it supports the server-sig-algs extension. Order is irrelevant.
// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=142

        handle.close(); // First close
        handle.close(); // Second close

        // Verify sendrecv for close was called only once
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
    }

    @Test
    void testClose_SmbExceptionOnClose() throws IOException {

    void testClose_True() throws CIFSException {
        // Test close() method when true
        when(mockDelegate.close()).thenReturn(true);
        assertTrue(cifsContextWrapper.close());
        verify(mockDelegate).close();
    }

    @Test
    void testClose_False() throws CIFSException {
        // Test close() method when false
        when(mockDelegate.close()).thenReturn(false);

            executor.shutdown();
        }
    }

    /**
     * Test close() method
     */
    @Test
    void testClose() throws CIFSException {
        // Execute
        watchHandle.close();

        // Verify close was called
        verify(watchHandle, times(1)).close();
    }

    /**
     * Test close() method throwing CIFSException
     */
    @Test

import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB2 Close request message. This command is used to close a file or directory
 * that was previously opened.
 *
 * @author mbechler
 *
 */
public class Smb2CloseRequest extends ServerMessageBlock2Request<Smb2CloseResponse> implements RequestWithFileId {