* </pre>
     * and check if the {@code -T 3} option can be overwritten via command line
     * argument.
     *
     * @throws Exception in case of failure.
     */
    @Test
    void testMVNConfigurationThreadCanBeOverwrittenViaCommandLine() throws Exception {
        System.setProperty(
                MavenCli.MULTIMODULE_PROJECT_DIRECTORY,

        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new PostString().run();
  }

        throws InterruptedException {
      throw new UnsupportedOperationException();
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
        throws ExecutionException, InterruptedException {
      throw new UnsupportedOperationException();
    }

    @Override

                throws ToolchainManagerException {
            return getDelegate().getToolchains(session, type, requirements);
        }

        @Nonnull
        @Override
        public Optional<org.apache.maven.api.Toolchain> getToolchainFromBuildContext(
                @Nonnull Session session, @Nonnull String type) throws ToolchainManagerException {

   * #previous()} can retrieve the preceding {@code position} elements.
   *
   * @throws IndexOutOfBoundsException if {@code position} is negative or is greater than {@code
   *     size}
   * @throws IllegalArgumentException if {@code size} is negative
   */
  protected AbstractIndexedListIterator(int size, int position) {
    checkPositionIndex(position, size);

    LoadingCache<Object, Object> cache =
        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {

     * @param name Method name.
     * @param params Method parameters.
     * @return The found method.
     * @throws MethodMap.AmbiguousException in case of duplicate methods.
     */
    public Method findMethod(String name, Object... params) throws MethodMap.AmbiguousException {
        String methodKey = makeMethodKey(name, params);
        Object cacheEntry = methodCache.get(methodKey);

     */
    protected Metadata readMetadata(File mappingFile) throws RepositoryMetadataReadException {

        try (InputStream in = Files.newInputStream(mappingFile.toPath())) {
            return new Metadata(new MetadataStaxReader().read(in, false));
        } catch (FileNotFoundException e) {
            throw new RepositoryMetadataReadException("Cannot read metadata from '" + mappingFile + "'", e);

    }

    @Override
    public void beforeProjectExecution(ProjectExecutionEvent event) throws LifecycleExecutionException {
        for (ProjectExecutionListener listener : listeners) {
            listener.beforeProjectExecution(event);
        }
    }

    @Override
    public void beforeProjectLifecycleExecution(ProjectExecutionEvent event) throws LifecycleExecutionException {
        for (ProjectExecutionListener listener : listeners) {

     * @param options possible parsing options, may be {@code null}
     * @return the parsed {@link Model}, never {@code null}
     * @throws ModelParserException if the model cannot be parsed
     */
    @Nonnull
    Model parse(@Nonnull Source source, @Nullable Map<String, ?> options) throws ModelParserException;

    /**
     * Locate and parse the model in the specified directory.