assertSame(ObjectUtil.defaultValue(null, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, null), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(null, null), null);
        assertThat(ObjectUtil.defaultValue(null, "NULL"), is("NULL"));
        assertThat(ObjectUtil.defaultValue(null, 1), is(1));

     * If the input array is {@code null}, an empty stream is returned.
     *
     * @param <T> The type of elements in the stream.
     * @param values The elements to be included in the stream. Can be {@code null}.
     * @return A {@link StreamOf} instance containing the provided values, or an empty stream if {@code values} is {@code null}.
     */
    @SafeVarargs

        scriptEngineFactory.add("test", testScriptEngine);

        // Execute with null script
        Object result = scriptExecutor.execute("test", null);

        // Verify null was passed through
        assertEquals("processed: null", result);
        assertNull(testScriptEngine.getLastScript());
    }

    public void test_execute_withEmptyScript() {
        // Setup test script engine

    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + (buildReactor == null ? 0 : buildReactor.hashCode());
        hash = hash * 31 + (ideWorkspace == null ? 0 : ideWorkspace.hashCode());
        hash = hash * 31 + (userLocalArtifactRepository == null ? 0 : userLocalArtifactRepository.hashCode());

        return hash;
    }

    @Override

        if (event == null) {
            return null;
        } else {
            String wagon = event.getWagon().getClass().getName();

            ArtifactTransferResource artifact = wrap(event.getWagon().getRepository(), event.getResource());

            ArtifactTransferEvent evt;
            if (event.getException() != null) {

        this(modelId, location, null);
    }

    public InputSource(String modelId, String location, InputLocation importedFrom) {
        this.modelId = modelId;
        this.location = location;
        this.inputs = null;
        this.importedFrom = importedFrom;
    }

    public InputSource(Collection<InputSource> inputs) {
        this.modelId = null;
        this.location = null;

        this(true, null, null);
    }

    public ArtifactRepositoryPolicy(ArtifactRepositoryPolicy policy) {
        this(policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy());
    }

    public ArtifactRepositoryPolicy(boolean enabled, String updatePolicy, String checksumPolicy) {
        this.enabled = enabled;

        if (updatePolicy == null) {

        if (layout == null) {
            throw new UnknownRepositoryLayoutException(repositoryId, layoutId);
        }
    }

    @Override
    public ArtifactRepository createDeploymentArtifactRepository(
            String id, String url, ArtifactRepositoryLayout repositoryLayout, boolean uniqueVersion) {
        return createArtifactRepository(id, url, repositoryLayout, null, null);
    }

    @Override

      }
    }
    if (thread == null) {
      thread = new Thread((ThreadGroup) null, finalizer, threadName);
    }
    thread.setDaemon(true);

    try {
      if (inheritableThreadLocals != null) {
        inheritableThreadLocals.set(thread, null);
      }
    } catch (Throwable t) {
      logger.log(
          Level.INFO,

        if (entry != null && entry.needsRefresh()) {
            // Check if lease is still valid
            LeaseEntry leaseEntry = baseLeaseManager.getLease(entry.getLeaseKey());
            if (leaseEntry == null || !leaseEntry.hasReadCache()) {
                // Lease lost, remove cache entry
                directoryCache.remove(directoryPath);
                return null;
            }
        }