}

        int cleaned = 0;
        long now = System.currentTimeMillis();

        for (Map.Entry<String, ResourceHolder> entry : activeResources.entrySet()) {
            ResourceHolder holder = entry.getValue();

            // Check if resource is abandoned
            if (!holder.closed && !holder.isAlive()) {
                // Resource object has been garbage collected but not closed
                reportLeak(holder);

        Map<String, org.apache.maven.api.services.ToolchainFactory> allFactories = new HashMap<>();
        for (Map.Entry<String, ToolchainFactory> entry : v3Factories.entrySet()) {
            ToolchainFactory v3Factory = entry.getValue();
            allFactories.put(entry.getKey(), new org.apache.maven.api.services.ToolchainFactory() {
                @Nonnull
                @Override
                public org.apache.maven.api.Toolchain createToolchain(

                        if (versionConstraint.containsVersion(ver)) {
                            versions.add(ver);
                            result.setRepository(ver, v.getValue());
                        }
                    } catch (InvalidVersionSpecificationException e) {
                        result.addException(e);
                    }
                }

                return;
            }
            for (Map.Entry<File, List<Error>> e : errors.entrySet()) {
                File file = e.getKey();
                List<Error> errorsForFile = e.getValue();

                StringBuilder sb = new StringBuilder();
                for (Error error : errorsForFile) {

            for (Map.Entry<String, ClassLoader> entry : foreignImports.entrySet()) {
                ClassLoader importedRealm = entry.getValue();
                String imp = entry.getKey();

                logger.debug("  Imported: {} < {}", imp, getId(importedRealm));

                classRealm.importFrom(importedRealm, imp);
            }

        final Set<String> doubleFieldSet = getIndexAdminDoubleFieldSet();

        return source.entrySet().stream().filter(e -> isNonEmptyValue(e.getValue())).map(e -> {
            final String key = e.getKey();
            Object value = e.getValue();
            if (arrayFieldSet.contains(key)) {
                if (value instanceof String[]) {
                    value = Arrays.stream((String[]) value).toList();

                            final Map<String, Object> valueCount = new HashMap<>(2, 1f);
                            valueCount.put("value", e.getKey());
                            valueCount.put("count", e.getValue());
                            return valueCount;
                        }).collect(Collectors.toList()));
                        return fieldMap;
                    }).collect(Collectors.toList());

      for (Object object : entries) {
        Entry<Country, Currency> entry = (Entry<Country, Currency>) object;
        result.put(entry.getKey(), entry.getValue());
      }
      return result;
    }

    @Override
    public SampleElements<Entry<Country, Currency>> samples() {
      return new SampleElements<>(
          mapEntry(Country.CANADA, Currency.DOLLAR),

    assertThrows(UnsupportedOperationException.class, () -> map.putAll(ImmutableMap.of("b", "2")));

    assertThrows(
        UnsupportedOperationException.class,
        () -> map.entrySet().iterator().next().setValue("one"));
  }

  public void testTransformRemoveEntry() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);

    Iterator<Entry<K, V>> entryIterator = entrySet().iterator();
    while (entryIterator.hasNext()) {
      Entry<K, V> entry = entryIterator.next();
      if (Objects.equals(entry.getKey(), key)) {
        V value = entry.getValue();
        entryIterator.remove();
        return value;
      }
    }
    return null;
  }

  /**
   * A sensible definition of {@link #clear} in terms of the {@code iterator} method of {@link