* aka OPEN_ALWAYS
     */

    static final int FILE_OPEN_IF = 0x3;

    /* Open the file and overwrite it's contents or fail if it does not exist
     * aka TRUNCATE_EXISTING
     */

    static final int FILE_OVERWRITE = 0x4;

    /* Open the file and overwrite it's contents or create it if it does not exist
     * aka CREATE_ALWAYS (according to the wire when calling CreateFile)
     */

        dataMap.keySet()
                .stream()
                .filter(key -> key.endsWith(".overwrite")) //
                .collect(Collectors.toList())
                .forEach(key -> {
                    final String baseKey = key.substring(0, key.length() - ".overwrite".length());
                    final Object value = dataMap.remove(key);
                    dataMap.put(baseKey, value);

    public void updateSessionId(final String oldSessionId, final String newSessionId) {
        // not MT-safe
        final Queue<UrlQueueImpl<Long>> urlQueueList = dataHelper.getUrlQueueList(oldSessionId);
        // overwrite
        dataHelper.addUrlQueueList(newSessionId, urlQueueList);
        dataHelper.removeUrlQueueList(oldSessionId);
    }

    /*
     * (non-Javadoc)
     *

     * aka OPEN_ALWAYS
     */

    static final int FILE_OPEN_IF = 0x3;

    /*
     * Open the file and overwrite it's contents or fail if it does not exist
     * aka TRUNCATE_EXISTING
     */

    static final int FILE_OVERWRITE = 0x4;

    /*
     * Open the file and overwrite it's contents or create it if it does not exist
     * aka CREATE_ALWAYS (according to the wire when calling CreateFile)
     */

        // Second decode - should overwrite previous value
        byte[] buffer2 = new byte[8];
        long indexNumber2 = 0x2222222222222222L;
        SMBUtil.writeInt8(indexNumber2, buffer2, 0);
        fileInternalInfo.decode(buffer2, 0, buffer2.length);
        assertEquals(indexNumber2, fileInternalInfo.getIndexNumber());

        // Third decode - should overwrite again
        byte[] buffer3 = new byte[8];

            // Should not throw
            assertDoesNotThrow(() -> concreteImplementation.replaceCache());
        }

        @Test
        @DisplayName("Should overwrite existing cache entry")
        void testReplaceCacheOverwrite() {
            String key = "existing-key";
            DfsReferralDataInternal oldEntry = mock(DfsReferralDataInternal.class);

            log.flush();
        }
        updates = 0;

        return b;
    }

    /**
     * Performs MAC signing of the SMB.  This is done as follows.
     * The signature field of the SMB is overwritted with the sequence number;
     * The MD5 digest of the MAC signing key + the entire SMB is taken;
     * The first 8 bytes of this are placed in the signature field.
     *
     * @param data The data.

        req.addFlags0(0x10);
        int flags0 = (int) getPrivateField(req, "flags0");
        assertTrue((flags0 & 0x10) != 0, "flag should be set after addFlags0");
        // Calling again should combine rather than overwrite
        req.addFlags0(0x20);
        flags0 = (int) getPrivateField(req, "flags0");
        assertTrue((flags0 & 0x20) != 0, "flag should accumulate");
    }

    @Test

    int FLAGS_TREE_COPY = 0x0020;

    // open function
    /**
     * Open function to fail if file exists.
     */
    int OPEN_FUNCTION_FAIL_IF_EXISTS = 0x0000;
    /**
     * Open function to overwrite if file exists.
     */
    int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    /**
     * Share level security mode.
     */
    int SECURITY_SHARE = 0x00;
    /**
     * User level security mode.

        // Verify first data
        for (int i = 0; i < firstData.length; i++) {
            assertEquals(firstData[i], outputBuffer[i]);
        }

        // Second read (should overwrite)
        byte[] secondData = { 10, 20, 30, 40 };
        byte[] buffer2 = new byte[10];
        System.arraycopy(secondData, 0, buffer2, 0, secondData.length);