throws UnresolvableModelException {
            return null;
        }

        @Override
        public void addRepository(Repository repository) throws InvalidRepositoryException {}

        @Override
        public void addRepository(Repository repository, boolean replace) throws InvalidRepositoryException {}

        @Override

    public interface StreamSupplier {
        InputStream open() throws IOException;
    }

    public interface ReaderSupplier {
        Reader open() throws IOException;
    }

    /**
     * @deprecated use {@link #build(ReaderSupplier)}
     */
    @Deprecated
    public PluginDescriptor build(Reader reader) throws PlexusConfigurationException {
        return build(reader, null);
    }

    /**

    final int throwAfterCount;
    final RuntimeException thrown;
    int count;

    ThrowingRunnable(int throwAfterCount, RuntimeException thrown) {
      this.throwAfterCount = throwAfterCount;
      this.thrown = thrown;
    }

    @Override
    public void run() {
      if (++count >= throwAfterCount) {
        throw thrown;
      }
    }
  }

    }

    protected void createLocalArtifact(Artifact artifact) throws Exception {
        createArtifact(artifact, localRepository());
    }

    protected void createRemoteArtifact(Artifact artifact) throws Exception {
        createArtifact(artifact, remoteRepository());
    }

    protected void createArtifact(Artifact artifact, ArtifactRepository repository) throws Exception {
        String path = repository.pathOf(artifact);

      throw t;
    }
  }

  /** Calls threadFail with message "should throw exception". */
  public void threadShouldThrow() {
    threadFail("should throw exception");
  }

  /** Calls threadFail with message "should throw" + exceptionName. */
  public void threadShouldThrow(String exceptionName) {
    threadFail("should throw " + exceptionName);
  }

  /**

    return FS.getRootDirectories().iterator().next();
  }

  private Path tempDir;

  @Override
  protected void setUp() throws Exception {
    tempDir = Files.createTempDirectory("MoreFilesTest");
  }

  @Override
  protected void tearDown() throws Exception {
    if (tempDir != null) {
      // delete tempDir and its contents
      Files.walkFileTree(
          tempDir,

  /** Throws an undeclared checked exception. */
  private static void sneakyThrow(Throwable t) {
    class SneakyThrower<T extends Throwable> {
      @SuppressWarnings("unchecked") // intentionally unsafe for test
      void throwIt(Throwable t) throws T {
        throw (T) t;
      }
    }
    new SneakyThrower<Error>().throwIt(t);
  }

    }

    @Override
    public void addRepository(Repository repository) throws InvalidRepositoryException {
        addRepository(repository, false);
    }

    @Override
    public void addRepository(final Repository repository, boolean replace) throws InvalidRepositoryException {
        if (session.isIgnoreArtifactDescriptorRepositories()) {
            return;
        }

    public void tearDown() throws IOException {}
  }

  private static class EmptyCharSourceFactory implements CharSourceFactory {

    @Override
    public CharSource createSource(String data) throws IOException {
      return CharSource.empty();
    }

    @Override
    public String getExpected(String data) {
      return "";
    }

    @Override
    public void tearDown() throws IOException {}
  }

                Constants.MAVEN_HOME, invokerRequest.installationDirectory().toString());
    }

    protected void validate(C context) throws Exception {}

    protected void prepare(C context) throws Exception {}

    protected void configureLogging(C context) throws Exception {
        R invokerRequest = context.invokerRequest;
        // LOG COLOR
        Options mavenOptions = invokerRequest.options();