*/
    @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);

    /**

      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
    @Override
    public Collection<SourceRoot> getSourceRoots(@Nonnull Project project) {
        MavenProject prj = getMavenProject(requireNonNull(project, "project" + " cannot be null"));
        return prj.getSourceRoots();
    }

    @Nonnull
    @Override
    public Stream<SourceRoot> getEnabledSourceRoots(@Nonnull Project project, ProjectScope scope, Language language) {

     *
     * @return The source from which the model was read, never {@code null}.
     */
    @Nonnull
    ModelSource getSource();

    /**
     * Gets the file model.
     *
     * @return the file model, never {@code null}.
     */
    @Nonnull
    Model getFileModel();

    /**
     * Gets the file model + build pom transformation, without inheritance nor interpolation.
     *

        @Nonnull
        @Override
        public List<org.apache.maven.api.Toolchain> getToolchains(
                @Nonnull Session session, @Nonnull String type, @Nullable Map<String, String> requirements)
                throws ToolchainManagerException {
            return getDelegate().getToolchains(session, type, requirements);
        }

        @Nonnull
        @Override

@Experimental
public interface Project {

    /**
     * {@return the project groupId}.
     */
    @Nonnull
    String getGroupId();

    /**
     * {@return the project artifactId}.
     */
    @Nonnull
    String getArtifactId();

    /**
     * {@return the project version}.
     */
    @Nonnull
    String getVersion();

    /**
     * {@return the project packaging}.
     * <p>

            str = str.substring(1, length - 1);
        }
        return str;
    }

    @Nonnull
    public static Path getCanonicalPath(Path path) {
        requireNonNull(path, "path");
        return path.toAbsolutePath().normalize();
    }

    @Nonnull
    public static Map<String, String> toMap(Properties properties) {
        requireNonNull(properties, "properties");

      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;
  }

                .classifier(classifier)
                .extension(extension)
                .type(type)
                .build();
    }

    @Nonnull
    static ArtifactCoordinatesFactoryRequest build(@Nonnull Session session, @Nonnull String coordinateString) {
        return ArtifactCoordinatesFactoryRequest.builder()
                .session(requireNonNull(session, "session"))

    String getScope();

    boolean isOptional();

    @Nonnull
    Collection<Exclusion> getExclusions();

    @Nonnull
    static DependencyCoordinatesFactoryRequest build(
            @Nonnull Session session,
            String groupId,
            String artifactId,
            String version,
            String classifier,