*
     * 1) An interface I extending Comparable<I> so that the created array is of
     * an interface type. 2) An instance of a class implementing that interface
     * so that we can pass non-null instances of the interface.
     *
     * (Currently it's safe to pass instances for which compareTo() always
     * returns 0, but if we had a SingletonImmutableSortedSet, this might no
     * longer be the case.)
     *

        return xPathApi.evaluateExpression(xpath, doc, XPathNodes.class);
    }

    /**
     * Retrieves an XPathAPI instance from the cache or creates a new one.
     * @return An XPathAPI instance.
     */
    protected XPathAPI getXPathAPI() {
        try {
            return xpathAPICache.get(Thread.currentThread().getName());
        } catch (final ExecutionException e) {

        assertSame(range, VersionRange.createFromVersionSpec("[1.0,1.2]")); // same instance from spec cache

        VersionRange spec = VersionRange.createFromVersionSpec("1.0");
        assertSame(spec, VersionRange.createFromVersionSpec("1.0")); // same instance from spec cache
        List<Restriction> restrictions = spec.getRestrictions();

        ComparableVersion c1 = new ComparableVersion("1");
        c1.parseVersion("2");

        Comparable<?> c2 = newComparable("2");

        assertEquals(c1, c2, "reused instance should be equivalent to new instance");
    }

    /**
     * Test <a href="https://issues.apache.org/jira/browse/MNG-7644">MNG-7644</a> edge cases
     * 1.0.0.RC1 &lt; 1.0.0-RC2 and more generally:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<artifactId>fess-suggest</artifactId>
	<version>15.3.0-SNAPSHOT</version>
	<packaging>jar</packaging>
	<name>fess-suggest</name>
	<url>https://fess.codelibs.org/</url>

 * {@link MemoryDataHelper} to store and manage the URL patterns in memory.
 *
 */
public class UrlFilterServiceImpl implements UrlFilterService {

    /**
     * Creates a new UrlFilterServiceImpl instance.
     */
    public UrlFilterServiceImpl() {
        // NOP
    }

    /**
     * The memory data helper.
     */
    @Resource
    protected MemoryDataHelper dataHelper;

    /*

 - ConnectionAcquired
 - ... Standard Events...
 - ResponseBodyEnd _(0 bytes)_
 - **CacheHit**
 - ConnectionReleased
 - CallEnd
 
## Cache directory

The cache directory must be exclusively owned by a single instance.

Deleting the cache when it is no longer needed can be done.  However this may delete the purpose of the cache
which is designed to persist between app restarts.

```kotlin
cache.delete()
```
 

 * retrieval, storage, deletion, and search functionality.
 */
public class RelatedContentService extends FessAppService {

    /**
     * Default constructor.
     * Creates a new instance of RelatedContentService.
     */
    public RelatedContentService() {
        super();
    }

    /**
     * Behavior class for RelatedContent entity operations.

        assertEquals("Root cause", exception.getCause().getCause().getMessage());
    }

    public void test_instanceof_FessSystemException() {
        // Test that DictionaryException is instance of FessSystemException
        DictionaryException exception = new DictionaryException("Test");

        assertTrue(exception instanceof org.codelibs.fess.exception.FessSystemException);

 *
 * {@snippet :
 * public <N> someGraphAlgorithm(N startNode, SuccessorsFunction<N> successorsFunction);
 * }
 *
 * you will invoke it depending on the graph representation you're using.
 *
 * <p>If you have an instance of one of the primary {@code common.graph} types ({@link Graph},
 * {@link ValueGraph}, and {@link Network}):
 *
 * {@snippet :
 * someGraphAlgorithm(startNode, graph);
 * }
 *