/**
 * Assists in handling repository metadata.
 *
 */
@Deprecated
class MetadataUtils {

    public static Metadata cloneMetadata(Metadata src) {
        if (src == null) {
            return null;
        }
        return src.clone();
    }

import org.codelibs.fess.util.ComponentUtil;

/**
 * @author FreeGen
 */
public class PathMappingBhv extends BsPathMappingBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);

    public java.util.Map getExpressionsBySyntax()
    {
        if ( expressionsBySyntax == null )
        {
            expressionsBySyntax = new java.util.HashMap();

            java.util.List expressions = getExpressions();

            if ( expressions != null && !expressions.isEmpty() )
            {
                for ( java.util.Iterator it = expressions.iterator(); it.hasNext(); )

    assertSame(canonical, pool.intern(not));
  }

  public void testStrong_null() {
    Interner<String> pool = Interners.newStrongInterner();
    assertThrows(NullPointerException.class, () -> pool.intern(null));
  }

  public void testStrong_builder() {
    int concurrencyLevel = 42;
    Interner<Object> interner =
        Interners.newBuilder().strong().concurrencyLevel(concurrencyLevel).build();

     * @param duplicateHostPager the pager containing search criteria and pagination settings
     * @return a list of DuplicateHost entities matching the search criteria
     * @throws IllegalArgumentException if duplicateHostPager is null
     */
    public List<DuplicateHost> getDuplicateHostList(final DuplicateHostPager duplicateHostPager) {

        final PagingResultBean<DuplicateHost> duplicateHostList = duplicateHostBhv.selectPage(cb -> {

        assertNull(result);
    }

    // Test assistFirstOutsideSqlOption with null table name
    public void test_assistFirstOutsideSqlOption_nullTableName() {
        OutsideSqlOption result = invokerAssistant.assistFirstOutsideSqlOption(null);
        assertNull(result);
    }

    // Test assistFirstOutsideSqlOption with empty table name

            @SuppressWarnings("unchecked")
            final List<String> roles = (List<String>) sourceArray[i].get(ELEVATE_WORD_ROLES);
            if (elevateWord != null && boost != null && readings != null && fields != null) {
                elevateWords[i] =
                        new ElevateWord(elevateWord.toString(), Float.parseFloat(boost.toString()), readings, fields, tags, roles);
            }
        }

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

     */
    @Execute
    public JsonResponse<ApiResult> list(final OptionalThing<String> id) {
        final List<Map<String, Object>> list = getFileItems(id.isPresent() ? decodePath(id.get()) : null);
        try {
            return asJson(new ApiResult.ApiStorageResponse().items(list).status(ApiResult.Status.OK).result());
        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {

  private List<Entry<K, V>> containsNullValue;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    containsNullKey = singletonList(entry(null, v3()));
    containsNullValue = singletonList(entry(k3(), null));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAll_supportedNothing() {
    getMap().putAll(emptyMap());
    expectUnchanged();
  }