*
 * <h2>Usage Examples</h2>
 *
 * <h3>Check for Available Upgrades</h3>
 * <pre>{@code
 * mvnup check
 * }</pre>
 *
 * <h3>Apply All Upgrades</h3>
 * <pre>{@code
 * mvnup apply --all
 * }</pre>
 *
 * <h3>Upgrade to Maven 4.1.0 with Inference</h3>
 * <pre>{@code
 * mvnup apply --model 4.1.0 --infer
 * }</pre>
 *
 * <h2>Extension Points</h2>
 *
 * <p>To add new upgrade strategies:</p>
 * <ol>

 *         return model;
 *     }
 * }
 * </pre>
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
@Named
public interface ModelTransformer extends SpiService {

    /**
     * Apply a transformation on the file model.
     *
     * This method will be called on each file model being loaded,
     * just before validation.
     *
     * @param model the input model

              public boolean apply(String s) {
                return s.equals("b") || s.equals("d") || s.equals("f");
              }
            }));
    assertEquals(newArrayList("a", "c", "e"), list);
    assertFalse(
        removeIf(
            list,
            new Predicate<String>() {
              @Override
              public boolean apply(String s) {

  - IMPORTANT NOTE: if the first import fails, you have to select and apply `Synchronization disabled`, then repeat the step above.
    Otherwise, TeamCity complains "Can't find the previous revision, please commit current settings first".
  - If anything bad happens, feel free to delete the project you created and retry (you may need to apply `Synchronization disabled` before deleting it).  
    

        printStream.accept("Goals:");
        printStream.accept("  help  - display this help message");
        printStream.accept("  check - check for available upgrades");
        printStream.accept("  apply - apply available upgrades");
        printStream.accept("");
        printStream.accept("Options:");
        printStream.accept("  -m, --model-version <version> Target POM model version (4.0.0 or 4.1.0)");

    @Inject
    protected FileSystemOperations getFileSystemOperations() {
        throw new UnsupportedOperationException();
    }

    @Override
    public void apply(Project project) {
        project.getRootProject().getPluginManager().apply(DockerSupportPlugin.class);

        TaskContainer tasks = project.getTasks();

                }"""
        }
        file("SomeFile.txt") << """
            some dummy txt file
        """

        buildFile << """
            allprojects {
                apply plugin:'base'
                ext.elasticLicenseUrl = "http://foo.bar"
            }
            tasks.register("buildDarwinTar", Tar) {
                compression = Compression.GZIP
                from 'SomeFile.class'

      assertTrue(MoreFiles.isDirectory().apply(symlinkToDir));
      assertFalse(MoreFiles.isRegularFile().apply(symlinkToDir));

      assertFalse(MoreFiles.isDirectory().apply(symlinkToFile));
      assertTrue(MoreFiles.isRegularFile().apply(symlinkToFile));

      assertFalse(MoreFiles.isDirectory(NOFOLLOW_LINKS).apply(symlinkToDir));
      assertFalse(MoreFiles.isRegularFile(NOFOLLOW_LINKS).apply(symlinkToFile));
    }
  }

    @Inject
    public LicensingPlugin(ProviderFactory providerFactory) {
        this.providerFactory = providerFactory;
    }

    @Override
    public void apply(Project project) {
        Provider<String> revision = project.getRootProject().getPlugins().apply(GitInfoPlugin.class).getRevision();
        Provider<String> licenseCommitProvider = providerFactory.provider(() ->

                include ':sub-$it'
            """
        }
        buildFile.text = """
            plugins {
             id 'elasticsearch.jdk-download' apply false
            }

            subprojects {
                apply plugin: 'elasticsearch.jdk-download'

                jdks {
                  myJdk {
                    vendor = '$jdkVendor'
                    version = '$jdkVersion'