from dataclasses import field  # (1)
from typing import List, Union

from fastapi import FastAPI
from pydantic.dataclasses import dataclass  # (2)


@dataclass
class Item:
    name: str
    description: Union[str, None] = None


@dataclass
class Author:
    name: str
    items: List[Item] = field(default_factory=list)  # (3)


app = FastAPI()

     */
    List<MavenProject> getTopologicallySortedProjects();

    MavenExecutionResult setDependencyResolutionResult(DependencyResolutionResult result);

    DependencyResolutionResult getDependencyResolutionResult();

    // for each exception
    // - knowing what artifacts are missing
    // - project building exception
    // - invalid project model exception: list of markers

    }

    protected ProtoSession(
            RepositorySystemSession session,
            RepositorySystem repositorySystem,
            List<RemoteRepository> repositories,
            List<org.eclipse.aether.repository.RemoteRepository> resolverRepositories,
            Lookup lookup,
            Context context) {

  // +optional
  optional string name = 7;
}

// ResourceRule is the list of actions the subject is allowed to perform on resources. The list ordering isn't significant,
// may contain duplicates, and possibly be incomplete.
message ResourceRule {
  // Verb is a list of kubernetes resource API verbs, like: get, list, watch, create, update, delete, proxy.  "*" means all.
  repeated string verbs = 1;

    public JsonResponse<ApiResult> get$installed() {
        final List<Map<String, String>> list = getAllInstalledArtifacts();
        return asJson(new ApiResult.ApiPluginResponse().plugins(list).status(ApiResult.Status.OK).result());
    }

    // GET /api/admin/plugin/available
    @Execute
    public JsonResponse<ApiResult> get$available() {
        final List<Map<String, String>> list = getAllAvailableArtifacts();

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testForEachKnownOrder() {
    List<Entry<K, V>> entries = new ArrayList<>();
    getMap().forEach((k, v) -> entries.add(entry(k, v)));
    assertEquals(getOrderedElements(), entries);
  }

  @CollectionFeature.Require(absent = KNOWN_ORDER)
  public void testForEachUnknownOrder() {
    List<Entry<K, V>> entries = new ArrayList<>();
    getMap().forEach((k, v) -> entries.add(entry(k, v)));

     */
    private ClassRealm createRealm(
            String baseRealmId,
            RealmType type,
            ClassLoader parent,
            List<String> parentImports,
            Map<String, ClassLoader> foreignImports,
            List<Artifact> artifacts) {
        List<ClassRealmConstituent> constituents = new ArrayList<>(artifacts == null ? 0 : artifacts.size());

        if (artifacts != null && !artifacts.isEmpty()) {

        final List<SortBuilder<?>> list = new ArrayList<>();
        if (defaultSortBuilders != null) {
            stream(defaultSortBuilders).of(stream -> stream.forEach(builder -> list.add(builder)));
        }
        list.add(createFieldSortBuilder(fieldName, SortOrder.DESC.toString().equalsIgnoreCase(order) ? SortOrder.DESC : SortOrder.ASC));
        defaultSortBuilders = list.toArray(new SortBuilder[list.size()]);
    }

    List<T> list = Arrays.asList(inputs);
    doExpectCollects(expectedResult, list);
    if (collector.characteristics().contains(Collector.Characteristics.UNORDERED)) {
      Collections.reverse(list);
      doExpectCollects(expectedResult, list);
    }
    return this;
  }

  private void doExpectCollects(R expectedResult, List<T> inputs) {

    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersions(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException {
        return delegate.retrieveAvailableVersions(artifact, localRepository, remoteRepositories);
    }

    @Override