private static class HasBoth extends TypeA implements TypeB {}

  @GwtIncompatible // Iterables.filter(Iterable, Class)
  public void testFilterByType_iterator() throws Exception {
    HasBoth hasBoth = new HasBoth();
    Iterable<TypeA> alist = Lists.newArrayList(new TypeA(), new TypeA(), hasBoth, new TypeA());
    Iterable<TypeB> blist = filter(alist, TypeB.class);
    assertThat(blist).containsExactly(hasBoth).inOrder();
  }

    public void filtered(FilteredCall<ElevateWordToLabelCQ, ElevateWordToLabelCQ> filteredLambda,
            ConditionOptionCall<BoolQueryBuilder> opLambda) {
        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<ElevateWordToLabelCQ> notLambda) {
        not(notLambda, null);
    }

    * This will be used by the **automatic docs**.
    * It will also be used by automatic client code generation tools.

But most importantly:

* It will **limit and filter** the output data to what is defined in the return type.
    * This is particularly important for **security**, we'll see more of that below.

## `response_model` Parameter

        }).orElse(Collections.emptyList());
    }

    public OptionalEntity<StopwordsFile> getStopwordsFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId).filter(StopwordsFile.class::isInstance)
                .map(file -> OptionalEntity.of((StopwordsFile) file)).orElse(OptionalEntity.empty());
    }

        }).orElse(Collections.emptyList());
    }

    public OptionalEntity<SynonymFile> getSynonymFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId).filter(SynonymFile.class::isInstance)
                .map(file -> OptionalEntity.of((SynonymFile) file)).orElse(OptionalEntity.empty());
    }

    public OptionalEntity<SynonymItem> getSynonymItem(final String dictId, final long id) {

        this.artifactTransformations = Stream.of("release", "latest", "snapshot")
                .map(artifactTransformations::get)
                .filter(Objects::nonNull)
                .collect(Collectors.toList());
    }

    public void transformForResolve(Artifact artifact, RepositoryRequest request)

        final String[] baseRoles = roles != null ? roles
                : ComponentUtil.getRoleQueryHelper().build(searchRequestType).stream().filter(StringUtil::isNotBlank)
                        .toArray(n -> new String[n]);
        final String[] baseFields = fields != null ? fields : fessConfig.getSuggestPopularWordFieldsAsArray();

// It can be optionally associated with a particular assigner, in which case it
// contains one valid set of trust anchors for that signer. Signers may have
// multiple associated ClusterTrustBundles; each is an independent set of trust
// anchors for that signer. Admission control is used to enforce that only users
// with permissions on the signer can create or modify the corresponding bundle.
message ClusterTrustBundle {
  // metadata contains the object metadata.

        index = name + "." + type;
    }

    @PostConstruct
    public void init() {
        fesenClient.addOnConnectListener(() -> createMapping("filter"));

        includeFilterCache = createFilterCache(INCLUDE);
        excludeFilterCache = createFilterCache(EXCLUDE);
    }

    protected LoadingCache<String, List<Pattern>> createFilterCache(final String type) {

    // Needs to go away
    private Set<Artifact> artifactDependencies;

    private ArtifactRepository localRepository;

    private List<ArtifactRepository> remoteRepositories;

    // This is like a filter but overrides all transitive versions
    private Map managedVersionMap;

    /** result type - flat list; the default */
    private boolean asList = true;

    /** result type - dirty tree */