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()

                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {
        List<ArtifactRepository> repositories = requestRepositories;

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

     */
    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) {

                return;
            }

            final StringBuilder sb = new StringBuilder(100);
            final List<String> fields = new ArrayList<>();
            final List<String> tags = new ArrayList<>();
            final List<String> roles = new ArrayList<>();

            for (final Pair<String, String> searchFieldLog : searchLog.getSearchFieldLogList()) {

            list.addAll(getBindings().getOrDefault(key, Set.of()));
            // Add Plexus bindings
            for (var bean : locator.get().locate(toGuiceKey(key))) {
                if (isPlexusBean(bean)) {
                    list.add(new BindingToBeanEntry<>(key).toBeanEntry(bean));
                }
            }
            if (!list.isEmpty()) {
                list.sort(getBindingComparator());

                    offset += term.length();
                }
            }

            final List<String> list = new ArrayList<>(1);
            if (readingBuf.length() > 0) {
                list.add(readingBuf.toString());
            }
            return list;
        }
    }

        )
    }


internal
data class ReportMessage(
    val message: String,
    val details: List<String>
)


internal
data class RichReport(
    val errors: List<ReportMessage>,
    val warnings: List<ReportMessage>,
    val information: List<ReportMessage>,
    val accepted: List<ReportMessage>
) {

    val isEmpty: Boolean

   * #create(Object...)}.
   */
  protected abstract List<Character> create(Character[] elements);

  @Override
  public Character[] createArray(int length) {
    return new Character[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<Character> order(List<Character> insertionOrder) {
    return insertionOrder;
  }

     * {@link #injectAuthentication(List, List)} or the repositories will end up with the wrong credentials.
     *
     * @param repositories The repositories into which to inject the mirror information, may be {@code null}.
     * @param mirrors The available mirrors, may be {@code null}.
     */
    void injectMirror(List<ArtifactRepository> repositories, List<Mirror> mirrors);

    /**