*
     * @param str
     *            the string (can be <code>null</code>)
     * @param defaultStr
     *            the string to return if the argument is <code>null</code> (can be <code>null</code>)
     * @return the given string, or the specified default string if the argument is <code>null</code>
     */
    public static String defaultString(final String str, final String defaultStr) {
        return str == null ? defaultStr : str;

         * @param fieldName A description of the field being interpolated. The implementation may use this to
         *                  log stuff.
         * @return the interpolated value
         */
        String transform(String source, String fieldName);
    }

    @Nonnull
    static XmlReaderRequestBuilder builder() {
        return new XmlReaderRequestBuilder();
    }

    @NotThreadSafe
    class XmlReaderRequestBuilder {

  public void testOf_empty() {
    Iterable<String> iterable = MinimalIterable.<String>of();
    Iterator<String> iterator = iterable.iterator();
    assertFalse(iterator.hasNext());
    assertThrows(NoSuchElementException.class, () -> iterator.next());
    assertThrows(IllegalStateException.class, () -> iterable.iterator());
  }

  public void testOf_one() {
    Iterable<String> iterable = MinimalIterable.of("a");

     */
    private final Map<String, String> params;

    /**
     * Constructs a new FieldConfigs instance with the specified parameter map.
     *
     * @param params the map containing field names as keys and configuration values as values
     */
    public FieldConfigs(final Map<String, String> params) {
        this.params = params;
    }

    /**

    private static final String USER_DICT_PATH_OPTION = "user_dictionary";
    private static final String USER_DICT_RULES_OPTION = "user_dictionary_rules";
    private static final String NBEST_COST = "nbest_cost";
    private static final String NBEST_EXAMPLES = "nbest_examples";

    private final UserDictionary userDictionary;
    private final Mode mode;
    private final String nBestExamples;
    private final int nBestCost;

     * @throws CIFSException if a CIFS protocol error occurs
     */
    public Type3Message(final CIFSContext tc, final Type2Message type2, final String targetName, final String password, final String domain,
            final String user, final String workstation, final int flags) throws GeneralSecurityException, CIFSException {
        // keep old behavior of anonymous auth when no password is provided

    /**
     * Search criteria: configuration ID.
     */
    public String id;

    /**
     * Search criteria: configuration name.
     */
    public String name;

    /**
     * Search criteria: target URLs.
     */
    public String urls;

    /**
     * Search criteria: user agent string.
     */
    public String userAgent;

    /**
     * Search criteria: number of threads.
     */

        asDocMeta().version(version);
    }

    public void addField(final String key, final Object value) {
        fields.put(key, value);
    }

    public String getLogMessage() {
        return getUrl();
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);

    @Override
    public void fatal(final String message) {
        logger.fatal(message);
    }

    @Override
    public void fatal(final String message, final Throwable t) {
        logger.fatal(message, t);
    }

    @Override
    public boolean isErrorEnabled() {
        return logger.isErrorEnabled();
    }

    @Override
    public void error(final String message) {
        logger.error(message);
    }

    writer.write(STRING);
    writer.close();

    assertTrue(sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
  }

  public void testWrite_string() throws IOException {
    assertEquals("", sink.getString());
    sink.write(STRING);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
  }