handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes this SAM alias handle.
     *
     * @throws IOException if an I/O error occurs during handle closure
     */
    public void close() throws IOException {
        final MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);

        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes this SAM domain handle.
     *
     * @throws IOException if an I/O error occurs during handle closure
     */
    public void close() throws IOException {
        final MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);

            final MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
    }

    /**
     * Closes this SAM policy handle.
     *
     * @throws IOException if an I/O error occurs during handle closure
     */
    public void close() throws IOException {
        final MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);

        // Using a SmbComClose instance triggers early return without DFS/session work
        SmbComClose closeReq = mock(SmbComClose.class);
        SmbResourceLocator res = c.ensureDFSResolved(loc, closeReq);
        assertSame(loc, res);
        // No connect attempts expected
        verify(c, never()).connectWrapException(any());
    }

    @Test

            }

            final Smb2CloseRequest closeReq = new Smb2CloseRequest(th.getConfig(), Smb2Constants.UNSPECIFIED_FILEID);
            closeReq.setCloseFlags(Smb2CloseResponse.SMB2_CLOSE_FLAG_POSTQUERY_ATTIB);
            cur.chain(closeReq);

            final Smb2CreateResponse createResp = th.send(cr);

            final Smb2CloseResponse closeResp = closeReq.getResponse();
            SmbBasicFileInfo info;

        }, "Multiple close operations should not cause issues");

        // Verify iterator still works after multiple closes
        assertFalse(emptyIterator.hasNext(), "Iterator should still work after multiple closes");
        assertNull(emptyIterator.next(), "Iterator should still return null after multiple closes");
    }

    @Test
    @DisplayName("EmptyIterator should handle remove operations multiple times")

     */
    SmbTreeHandle getTree();

    /**
     * Checks if this file handle is still valid
     *
     * @return whether the file descriptor is valid
     */
    boolean isValid();

    /**
     * Closes this file handle and optionally sets the last write time
     *
     * @param lastWriteTime the last write time to set, or 0 to leave unchanged
     * @throws CIFSException if an error occurs while closing the file
     */

        verify(tree, times(1)).acquire();
        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("Happy path: iterates entries, fetchMore(), then closes with FindClose2")
    void iteratesAndFetchesMoreThenCloses() throws Exception {
        // Arrange: program send() to simulate first, next, next(NO_MORE_FILES)
        List<String[]> batches = new ArrayList<>();

        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes the LSA policy handle.
     *
     * @throws IOException if an I/O error occurs
     */
    public void close() throws IOException {
        final MsrpcLsarClose rpc = new MsrpcLsarClose(this);

     */
    public void recordConnectionCreated() {
        connectionsCreated.incrementAndGet();
        connectionsActive.incrementAndGet();
    }

    /**
     * Record RDMA connection closure
     */
    public void recordConnectionClosed() {
        connectionsActive.decrementAndGet();
    }

    /**
     * Record memory region allocation
     */