public static final String LABELS_LOGIN_UPDATE = "{labels.login.update}";

    /**
     * Assert the property is not null.
     * @param property The value of the property. (NotNull)
     */
    protected void assertPropertyNotNull(String property) {
        if (property == null) {
            String msg = "The argument 'property' for message should not be null.";

     */
    @Nonnull
    default SettingsBuilderResult build(
            @Nonnull Session session,
            @Nonnull Source installationSettingsSource,
            @Nonnull Source projectSettingsSource,
            @Nonnull Source userSettingsSource) {
        return build(SettingsBuilderRequest.build(
                session, installationSettingsSource, projectSettingsSource, userSettingsSource));
    }

    /**

     */
    @Nonnull
    Map<String, Object> getPluginContext(@Nonnull Project project);

    /**
     * Retrieves the service for the interface
     *
     * @throws NoSuchElementException if the service could not be found
     */
    @Nonnull
    <T extends Service> T getService(@Nonnull Class<T> clazz);

    /**

     * @param path the path to the artifact file
     * @see org.apache.maven.api.Type
     */
    default void attachArtifact(
            @Nonnull Session session, @Nonnull Project project, @Nonnull String type, @Nonnull Path path) {
        ProducedArtifact artifact = session.createProducedArtifact(
                project.getGroupId(), project.getArtifactId(), project.getVersion(), null, null, type);

     * @return The calculated checksums, indexed by algorithms, never {@code null}.
     * @throws NullPointerException if passed in any parameter is {@code null}.
     */
    @Nonnull
    Map<ChecksumAlgorithm, String> calculate(@Nonnull byte[] data, @Nonnull Collection<ChecksumAlgorithm> algorithms);

    /**
     * Calculates checksums for specified data.
     *

     */
    void putString(@Nonnull String source, @Nonnull Charset charset, @Nonnull URI relativeTarget);

    /**
     * PUTs the source string using UTF8 charset to target URI. The target MUST BE relative from the
     * {@link RemoteRepository#getUrl()} root.
     *
     * @throws RuntimeException If PUT fails for any reason.
     */
    default void putString(@Nonnull String source, @Nonnull URI relativeTarget) {

      Map<Class<? extends @NonNull B>, B> backingMap) {
    return new MutableClassToInstanceMap<>(backingMap);
  }

  private final Map<Class<? extends @NonNull B>, B> delegate;

  private MutableClassToInstanceMap(Map<Class<? extends @NonNull B>, B> delegate) {
    this.delegate = checkNotNull(delegate);
  }

  @Override
  protected Map<Class<? extends @NonNull B>, B> delegate() {
    return delegate;
  }

     */
    @Nonnull
    Options interpolate(@Nonnull UnaryOperator<String> callback);

    /**
     * Emits warning messages if deprecated options are used.
     *
     * @param printWriter the string consumer to use for output
     */
    default void warnAboutDeprecatedOptions(@Nonnull ParserRequest request, @Nonnull Consumer<String> printWriter) {}

    /**

    @Nonnull
    RemoteRepository createRemote(@Nonnull Repository repository);

    @Nonnull
    List<RemoteRepository> aggregate(
            @Nonnull Session session,
            @Nonnull List<RemoteRepository> dominant,
            @Nonnull List<RemoteRepository> recessive,
            boolean processRecessive);

     */
    @Nonnull
    Optional<String> alternatePomFile();

    /**
     * Indicates whether Maven should operate in non-recursive mode (i.e., not build child modules).
     *
     * @return an {@link Optional} containing true if non-recursive mode is enabled, false if disabled, or empty if not specified
     */
    @Nonnull
    Optional<Boolean> nonRecursive();

    /**