*
     * @return the severity level of this problem, never {@code null}
     */
    @Nonnull
    Severity getSeverity();

    /**
     * The different severity levels for a problem, in decreasing order.
     *
     * @since 4.0.0
     */
    @Experimental
    enum Severity {
        FATAL, //
        ERROR, //
        WARNING //
    }

import java.util.Objects;
import java.util.Optional;

import org.apache.maven.api.cli.mvn.MavenOptions;
import org.apache.maven.cling.invoker.LayeredOptions;

/**
 * Options that are "layered" by precedence order.
 *
 * @param <O> the specific type of Maven Options that are layered
 */
public class LayeredMavenOptions<O extends MavenOptions> extends LayeredOptions<O> implements MavenOptions {

        with(standardError) {
            files.forEach {
                assertContains("API changes in file '${it.name}' should be in alphabetical order (by type and member), yet these changes were not:\n")
            }
            changes?.forEach { assertContains(it.toString()) }
            assertContains(cleanupHint)
        }
    }

    private

                    return new StandardImplForwardingSortedSet<>(
                        new SafeTreeSet<String>(asList(elements)));
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {
                    return Lists.newArrayList(Sets.newTreeSet(insertionOrder));
                  }
                })

    public Entry<String, Integer>[] createArray(int length) {
      return (Entry<String, Integer>[]) new Entry<?, ?>[length];
    }

    @Override
    public List<Entry<String, Integer>> order(List<Entry<String, Integer>> insertionOrder) {
      return insertionOrder;
    }
  }

  public abstract static class TestEntriesListGenerator extends TestEntriesGenerator

  }

  /*
   * The behavior of toString() and iteration is tested by LinkedHashMultiset,
   * which shares a lot of code with HashMultiset and has deterministic
   * iteration order.
   */

                final AccessResultImpl<Long> ar = entry.getValue().get(url);
                if (ar != null) {
                    acList.add(ar);
                }
            }
        }
        // TODO order
        return acList;
    }

    public synchronized void addIncludeUrlPattern(final String sessionId, final String url) {
        final List<Pattern> patternList = getIncludeUrlPatternList(sessionId);

 * }</pre>
 *
 * <p>Note that this try-catch-finally block is not equivalent to a try-catch-finally block using
 * try-with-resources. To get the equivalent of that, you must wrap the above code in <i>another</i>
 * try block in order to catch any exception that may be thrown (including from the call to {@code
 * close()}).
 *
 * <p>This pattern ensures the following:
 *
 * <ul>

   * {@code EnumBiMap}, the new bimap has the same types as the provided map. Otherwise, the
   * specified map must contain at least one mapping, in order to determine the key and value types.
   *
   * @param map the map whose mappings are to be placed in this map
   * @throws IllegalArgumentException if map is not an {@code EnumBiMap} instance and contains no
   *     mappings

		if p != nil {
			lg, ok := p.(log.Info)
			if ok && lg.SendLog(node, logKind) {
				lastN[cnt%last] = lg
				cnt++
			}
		}
	})
	sys.RUnlock()
	// send last n console log messages in order filtered by node
	if cnt > 0 {
		for i := 0; i < last; i++ {
			entry := lastN[(cnt+i)%last]
			if (entry == log.Info{}) {
				continue
			}
			select {
			case subCh <- entry:
			case <-doneCh: