throws IOException {
    return appendTo(appendable, iterable(first, second, rest));
  }

  /**
   * Appends the string representation of each of {@code parts}, using the previously configured
   * separator between each, to {@code builder}. Identical to {@link #appendTo(Appendable,
   * Iterable)}, except that it does not throw {@link IOException}.
   */
  @CanIgnoreReturnValue

  enum ReadStrategy {
    TO_BYTE_ARRAY_NEW_STRING {
      @Override
      String read(ByteSource byteSource, Charset cs) throws IOException {
        return new String(byteSource.read(), cs);
      }
    },
    USING_CHARSTREAMS_COPY {
      @Override
      String read(ByteSource byteSource, Charset cs) throws IOException {
        StringBuilder sb = new StringBuilder();

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    super(factory, data, suiteName, caseDesc, method);
  }

  @Override
  protected void setUp() throws Exception {
    sink = factory.createSink();
  }

  public void testOpenStream() throws IOException {
    OutputStream out = sink.openStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    }

    @BeforeEach
    @Override
    public void setUp() throws Exception {
        super.setUp();

        updateCheckManager = new DefaultUpdateCheckManager(
                new ConsoleLogger(Logger.LEVEL_DEBUG, "test"), new DefaultTrackingFileManager());
    }

    @Test
    void testArtifact() throws Exception {
        ArtifactRepository remoteRepository = remoteRepository();

     * @return the {@link ProjectBuilderResult} containing the built project and possible errors
     * @throws ProjectBuilderException if the project cannot be created
     * @throws IllegalArgumentException if an argument is {@code null} or invalid
     */
    @Nonnull
    ProjectBuilderResult build(ProjectBuilderRequest request) throws ProjectBuilderException;

    /**
     * Creates a {@link org.apache.maven.api.Project} from a POM file.

    }

    @Test
    void testNullSafe() throws Exception {
        Profile p = Profile.newInstance();

        assertActivation(false, p, newContext(null, null));

        p = p.withActivation(Activation.newInstance());

        assertActivation(false, p, newContext(null, null));
    }

    @Test
    void testWithNameOnlyUserProperty() throws Exception {
        Profile profile = newProfile("prop", null);

      @Override
      public int read(CharBuffer cbuf) throws IOException {
        return reader.read(cbuf);
      }
    };
  }

  private static Reader getChunkedReader(String input, int chunk) {
    return new FilterReader(new StringReader(input)) {
      @Override
      public int read(char[] cbuf, int off, int len) throws IOException {
        return super.read(cbuf, off, min(chunk, len));
      }

      @Override
      public int read(CharBuffer cbuf) throws IOException {
        return reader.read(cbuf);
      }
    };
  }

  private static Reader getChunkedReader(String input, int chunk) {
    return new FilterReader(new StringReader(input)) {
      @Override
      public int read(char[] cbuf, int off, int len) throws IOException {
        return super.read(cbuf, off, min(chunk, len));
      }

    }

    public List<LoadedCoreExtension> loadCoreExtensions(
            MavenExecutionRequest request, Set<String> providedArtifacts, List<CoreExtension> extensions)
            throws Exception {
        try (CloseableSession repoSession = repositorySystemSessionFactory
                .newRepositorySessionBuilder(request)