super(config, andx);
    }

    /**
     * Returns the native LAN Manager string reported by the server.
     *
     * @return the nativeLanMan
     */
    public final String getNativeLanMan() {
        return this.nativeLanMan;
    }

    /**
     * Returns the native operating system string reported by the server.
     *
     * @return the nativeOs
     */
    public final String getNativeOs() {

        if (extendedSecurity) {
            System.arraycopy(buffer, bufferIndex, blob, 0, blob.length);
            bufferIndex += blob.length;
        }
        nativeOs = readString(buffer, bufferIndex);
        bufferIndex += stringWireLength(nativeOs, bufferIndex);
        nativeLanMan = readString(buffer, bufferIndex, start + byteCount, 255, useUnicode);
        bufferIndex += stringWireLength(nativeLanMan, bufferIndex);

        Files.writeString(jcifsPropertiesPath, "jcifs.smb.client.nativeOs=FileOS");
        System.setProperty("jcifs.properties", jcifsPropertiesPath.toString());

        System.setProperty("jcifs.smb.client.nativeOs", "SystemOS");

        Properties customProps = new Properties();
        customProps.setProperty("jcifs.smb.client.nativeOs", "CustomOS");

        SingletonContext.init(customProps);

        }

        value = props.getProperty("jcifs.native.os");
        if (value != null) {
            this.nativeOs = value;
        }

        // Also support the alternative property name used in tests
        value = props.getProperty("jcifs.smb.client.nativeOs");
        if (value != null) {
            this.nativeOs = value;
        }

    /** Buffer size for SMB notification operations */
    protected int smbNotifyBufferSize = SmbConstants.DEFAULT_NOTIFY_BUF_SIZE;
    /** Native operating system name to report */
    protected String nativeOs;
    /** Native LAN Manager string to report */
    protected String nativeLanMan = "jCIFS";
    /** Virtual circuit number for SMB sessions */
    protected int vcNumber = 1;

    /** Connection timeout in milliseconds */
    int CONN_TIMEOUT = Config.getInt("jcifs.smb1.smb.client.connTimeout", DEFAULT_CONN_TIMEOUT);
    /** Native operating system name */
    String NATIVE_OS = Config.getProperty("jcifs.smb1.smb.client.nativeOs", System.getProperty("os.name"));
    /** Native LAN manager name */
    String NATIVE_LANMAN = Config.getProperty("jcifs.smb1.smb.client.nativeLanMan", "jCIFS");
    /** Virtual circuit number */

    }

    @Test
    @DisplayName("Test initDefaults with pre-set native OS")
    void testInitDefaultsWithPresetNativeOs() throws CIFSException {
        BaseConfiguration testConfig = new BaseConfiguration(false);
        testConfig.nativeOs = "CustomOS";

        testConfig.initDefaults();

        assertEquals("CustomOS", testConfig.getNativeOs());
    }

     *
     * @return whether to enable support for SMB1 AndX command batching
     */
    boolean isUseBatching();

    /**
     *
     * Property {@code jcifs.smb.client.nativeOs} (string, default {@code os.name})
     *
     * @return OS string to report
     */
    String getNativeOs();

    /**
     *

                + capabilities + ",accountName=" + accountName + ",primaryDomain=" + primaryDomain + ",NATIVE_OS=" + SmbConstants.NATIVE_OS
                + ",NATIVE_LANMAN=" + SmbConstants.NATIVE_LANMAN + "]");
    }

     *
     * @return remote key
     */
    protected abstract int generateRemoteKey();

    /**
     * Get native memory address of the buffer
     *
     * @param buffer buffer to get address for
     * @return native memory address
     */
    protected abstract long getBufferAddress(ByteBuffer buffer);

    @Override
    public void close() {
        invalidate();