new Function<@Nullable Integer, @Nullable Integer>() {
        @Override
        public @Nullable Integer apply(@Nullable Integer input) {
          return (input == null) ? null : input / 2;
        }
      };

  abstract static class ColumnTests extends MapTests {
    ColumnTests(
        boolean allowsNullValues,
        boolean supportsPut,
        boolean supportsRemove,

            Ordering.natural(),
            ANY_PRESENT,
            NEXT_LOWER);
    if (index != -1) {
      Range<C> range = ranges.get(index);
      return range.contains(value) ? range : null;
    }
    return null;
  }

  @Override
  public Range<C> span() {
    if (ranges.isEmpty()) {
      throw new NoSuchElementException();
    }

* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
* **Robust**: Get production-ready code. With automatic interactive documentation.

 *
 * @author koichik
 */
public abstract class JarInputStreamUtil {

    /**
     * {@link JarInputStream}を作成します。
     *
     * @param is
     *            入力ストリーム。{@literal null}であってはいけません
     * @return {@link JarInputStream}
     * @throws IORuntimeException
     *             {@link IOException}が発生した場合
     * @see JarInputStream#JarInputStream(InputStream)
     */

        this(messageCode, new Object[0], null);
    }

    /**
     * Creates {@link ClRuntimeException}.
     *
     * @param messageCode message code
     * @param args arguments for messages
     */
    public ClRuntimeException(final String messageCode, final Object[] args) {
        this(messageCode, args, null);
    }

    /**
     * Creates {@link ClRuntimeException}.
     *

     */
    @Test
    public void testGuessContentType() {
        exception.expect(EmptyArgumentException.class);
        exception.expectMessage(is("[ECL0010]argument[path] is null or empty string."));
        MimeTypeUtil.guessContentType(null);
    }

     * @return The identifier of the model from which the problem originated or an empty string if unknown, never
     *         {@code null}.
     */
    @Nonnull
    String getModelId();

    /**
     * Gets the applicable maven version/validation level of this problem
     * @return The version, never {@code null}.
     */
    @Nonnull
    Version getVersion();

    @Override
    public Object getValue(String expression) {
        Object value = valueSource.getValue(expression);

        if (value != null && expression.startsWith(bannedPrefix)) {
            String msg = "The expression ${" + expression + "} is deprecated.";
            if (newPrefix != null && !newPrefix.isEmpty()) {
                msg += " Please use ${" + newPrefix + expression.substring(bannedPrefix.length()) + "} instead.";
            }

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        fail(); // Unreachable
        return null;
    }

    @Override
    protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();

        if (logger.isDebugEnabled()) {
            logger.debug("loading {}", componentName);
        }
        CrawlerClient client = null;
        try {
            client = crawlerContainer.getComponent(componentName);
            crawlerClientFactory.addClient(regex, client);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {