* @see ConcurrentHashMap#putIfAbsent(Object, Object)
     */
    public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) {
        final V exists = map.putIfAbsent(key, value);
        if (exists != null) {
            return exists;
        }
        return value;
    }

    /**

     * @return the converted QueryBuilder
     */
    protected QueryBuilder convertWildcardQuery(final FessConfig fessConfig, final QueryContext context, final TermQuery termQuery,
            final float boost, final String field, final String text) {
        final String urlField = fessConfig.getIndexFieldUrl();
        final String queryString = "*" + text + "*";
        context.addFieldLog(urlField, queryString);

        final int lmResponseOffset = readULong(material, 16);
        final byte[] ntResponse = readSecurityBuffer(material, 20);
        final int ntResponseOffset = readULong(material, 24);
        final byte[] domain = readSecurityBuffer(material, 28);
        final int domainOffset = readULong(material, 32);
        final byte[] user = readSecurityBuffer(material, 36);
        final int userOffset = readULong(material, 40);

     */
    @Execute
    public HtmlResponse login(final LoginForm form) {
        validate(form, messages -> {}, () -> asIndexPage(form));
        verifyToken(() -> asIndexPage(form));
        final String username = form.username;
        final String password = form.password;
        form.clearSecurityInfo();
        try {

 */
public final class MemoryUtil {
    private MemoryUtil() {
    }

    /**
     * Gets a formatted memory usage log string.
     *
     * @return formatted memory usage information
     */
    public static String getMemoryUsageLog() {
        final Runtime runtime = Runtime.getRuntime();
        final long freeBytes = runtime.freeMemory();
        final long maxBytes = runtime.maxMemory();

    }

    @Override
    int writeRDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readRDataWireFormat(final byte[] src, int srcIndex) {
        final int start = srcIndex;
        numberOfNames = src[srcIndex] & 0xFF;
        final int namesLength = numberOfNames * 18;
        final int statsLength = rDataLength - namesLength - 1;

    private static final long serialVersionUID = 8584662068396978822L;

    /**
     * The target class.
     */
    private final Class<?> targetClass;

    /**
     * The method arguments.
     */
    private final Object[] methodArgs;

    /**
     * The parameter types.
     */
    private final Class<?>[] paramTypes;

    /**

    public long getHeaderFieldDate(final String header, final long def) {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getHeaderFieldDate(header, def);
    }

    @Override
    public String getHeaderFieldKey(final int index) {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getHeaderFieldKey(index);
    }

     * @param queryResponseList The list of query responses.
     */
    public void addSearchLog(final SearchRequestParams params, final LocalDateTime requestedTime, final String queryId, final String query,
            final int pageStart, final int pageSize, final QueryResponseList queryResponseList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            return (int) (this.fp - start);
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    @Override
    public final void readFully(final byte b[]) throws SmbException {
        readFully(b, 0, b.length);
    }

    @Override
    public final void readFully(final byte b[], final int off, final int len) throws SmbException {
        int n = 0, count;