import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.SetTestSuiteBuilder;
import com.google.common.collect.testing.TestStringListGenerator;
import com.google.common.collect.testing.TestStringSetGenerator;
import com.google.common.collect.testing.features.CollectionFeature;

        this.setSince(md.getSince());
        this.setThreadSafe(true);
        this.setImplementation(md.getImplementation());
        try {
            this.setParameters(md.getParameters().stream().map(Parameter::new).collect(Collectors.toList()));
        } catch (DuplicateParameterException e) {
            throw new IllegalArgumentException(e);
        }
        this.mojoDescriptorV4 = md;
        this.v4Api = true;
    }

            servletContext.setSessionTrackingModes(
                    fessConfig.getSessionTrackingModesAsSet().stream().map(SessionTrackingMode::valueOf).collect(Collectors.toSet()));
        } catch (final Throwable t) {
            logger.warn("Failed to set SessionTrackingMode.", t);
        }

        if (highlightedQuerySet != null) {
            assertEquals(highlightedQuerySet.stream().sorted().collect(Collectors.joining("\n")),
                    set.stream().sorted().collect(Collectors.joining("\n")));
        }
        set.clear();
    }

    private void assertFieldLogs(Map<String, List<String>> fieldLogMap) {
        @SuppressWarnings("unchecked")

                    logger.debug(() -> "Refreshed " + stream(indices).get(stream -> stream.collect(Collectors.joining(", "))));
                }
            }

            @Override
            public void onFailure(final Exception e) {
                logger.error(() -> "Failed to refresh " + stream(indices).get(stream -> stream.collect(Collectors.joining(", "))), e);
            }
        });

    }

   * it would prevent our class loader from getting garbage collected.
   */
  static class DecoupledLoader implements FinalizerLoader {
    private static final String LOADING_ERROR =
        "Could not load Finalizer in its own class loader. Loading Finalizer in the current class "
            + "loader instead. As a result, you will not be able to garbage collect this class "

     *
     * @return The filter used to determine which of the artifacts in the dependency graph should be traversed or
     *         {@code null} to collect all transitive dependencies.
     */
    public ArtifactFilter getCollectionFilter() {
        return collectionFilter;
    }

    public ArtifactResolutionRequest setCollectionFilter(ArtifactFilter filter) {

            result.setAttributes(source.entrySet().stream().filter(e -> isAttribute(e.getKey()))
                    .map(e -> new Pair<>(e.getKey(), (String) e.getValue())).collect(Collectors.toMap(Pair::getFirst, Pair::getSecond)));
            return result;
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();

                        cb.query().setSuggestWord_Equal(suggestWord);
                        if (permissions.length > 0) {
                            cb.query().setPermissions_InScope(stream(permissions).get(stream -> stream.collect(Collectors.toList())));
                        }
                    }).orElse(null);
                    final String reading = getValue(list, 1);
                    final String boost = getValue(list, 4);

            return inputs.stream().map(InputSource::toString).collect(Collectors.joining(", ", "merged[", "]"));
        }
        return getModelId() + " " + getLocation();
    }

    public static InputSource merge(InputSource src1, InputSource src2) {
        return new InputSource(Stream.concat(src1.sources(), src2.sources()).collect(Collectors.toSet()));
    }