}

    assertTrue(c1.isClosed());
    assertTrue(c2.isClosed());

    ImmutableSet<Throwable> suppressed = ImmutableSet.copyOf(thrownException.getSuppressed());
    assertEquals(2, suppressed.size());

    assertEquals(ImmutableSet.of(c1Exception, c2Exception), suppressed);
  }

  public void testNullCloseable() throws IOException {
    Closer closer = Closer.create();
    closer.register(null);

    /**
     * @throws Exception
     */
    public void testGetTypeVariableMap() throws Exception {
        final Map<TypeVariable<?>, Type> map = GenericsUtil.getTypeVariableMap(Hoge.class);
        assertThat(map.size(), is(4));
        final Iterator<Entry<TypeVariable<?>, Type>> it = map.entrySet().iterator();
        Entry<TypeVariable<?>, Type> entry = it.next();
        assertThat(entry.getKey().getName(), is("T1"));

            }
        }

        TransferListener listener = new TransferListener();
        wagonManager.getArtifact(artifact, repos, listener, false);
        assertEquals(1, listener.events.size());
    }

    @Test
    void testGetMissingJar() throws TransferFailedException, UnsupportedProtocolException, IOException {
        Artifact artifact = createTestArtifact("target/test-data/get-missing-jar", "jar");

    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(map);

    Set<Object> uniqueEntries = Sets.newIdentityHashSet();
    uniqueEntries.addAll(bimap.entrySet());
    assertEquals(3, uniqueEntries.size());
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerializable() {
    SerializableTester.reserializeAndAssert(EnumHashBiMap.create(Currency.class));
  }

  @J2ktIncompatible

            List<ArtifactRepository> mirroredRepos = new ArrayList<>();

            List<ArtifactRepositoryPolicy> releasePolicies = new ArrayList<>(aliasedRepos.size());

            for (ArtifactRepository aliasedRepo : aliasedRepos) {
                releasePolicies.add(aliasedRepo.getReleases());
                mirroredRepos.addAll(aliasedRepo.getMirroredRepositories());

        }

        Map<String, Plugin> plugins = new HashMap<>();
        Map<String, String> versions = new HashMap<>();
        Map<String, String> managedVersions = new HashMap<>();

        for (int i = lineage.size() - 1; i >= 0; i--) {
            Model model = lineage.get(i).getModel();
            Build build = model.getBuild();
            if (build != null) {
                for (Plugin plugin : build.getPlugins()) {

                } catch (e: Exception) {
                    exceptions.add(e)
                }
            }

        when {
            exceptions.size == 1 -> throw exceptions.first()
            exceptions.isNotEmpty() -> throw DefaultMultiCauseException("Test files cleanup verification failed", exceptions)
            else -> {
            }
        }
    }

        }
    }

    /**
     * Get the number of active handles
     * @return the number of handles
     */
    public int getHandleCount() {
        return handles.size();
    }

    private void periodicMaintenance() {
        if (shutdown) {
            return;
        }

        lock.writeLock().lock();
        try {
            // Clean up expired handles

        if (responseTimeHistory.size() > 1000) { // Keep last 1000 measurements
            responseTimeHistory.removeFirst();
        }

        // Calculate moving average (simple approach)
        if (!responseTimeHistory.isEmpty()) {
            long sum = responseTimeHistory.stream().mapToLong(Long::longValue).sum();
            avgResponseTime.set(sum / responseTimeHistory.size());

                        return new Relocation(global, s, t);
                    })
                    .collect(Collectors.toList());
            LOGGER.info("Parsed {} user relocations", relocationList.size());
            return new Relocations(relocationList);
        }
    }

    private static Artifact parseArtifact(String coords) {
        Artifact s;
        String[] parts = coords.split(":");