* resources are released and all following calls to [.newSource] return null. Guarded by this.
   */
  var sourceCount = 0

  val isClosed: Boolean
    get() = file == null

  @Throws(IOException::class)
  private fun writeHeader(
    prefix: ByteString,
    upstreamSize: Long,
    metadataSize: Long,
  ) {
    val header =
      Buffer().apply {

        for (ResolvedArtifact resolvedArtifact : allModuleArtifacts) {
            archives.add(new JApiCmpWorkerAction.Archive(resolvedArtifact.getFile(), version));
        }
        for (ResolvedDependency dependency : resolvedDependency.getChildren()) {
            collectArchives(archives, dependency);
        }
    }

        wagonManager.getArtifact(artifact, repo, null, false);

        assertTrue(artifact.getFile().exists());
        assertEquals("expected", FileUtils.fileRead(artifact.getFile(), "UTF-8"));
    }

    private Artifact createTestPomArtifact(String directory) throws IOException {
        File testData = getTestFile(directory);

        return pomRepositories;
    }

    private boolean hasFile(Artifact artifact) {
        return artifact != null
                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {

                artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension()),
                nullify(artifact.getClassifier()),
                handler);

        result.setFile(artifact.getFile());
        result.setResolved(artifact.getFile() != null);

        List<String> trail = new ArrayList<>(1);
        trail.add(result.getId());
        result.setDependencyTrail(trail);

        return result;
    }

    ArbitraryInstances.get(PrintStream.class).println("test");
    ArbitraryInstances.get(PrintWriter.class).println("test");
    assertNotNull(ArbitraryInstances.get(File.class));
    assertFreshInstanceReturned(
        ByteArrayOutputStream.class, OutputStream.class,
        Writer.class, StringWriter.class,
        PrintStream.class, PrintWriter.class);

        versionRange = null;
    }

    @Override
    public String getType() {
        return type;
    }

    @Override
    public void setFile(File file) {
        this.file = file;
    }

    @Override
    public File getFile() {
        return file;
    }

    @Override
    public ArtifactRepository getRepository() {
        return repository;
    }

    @Override

                }
            }

            artifact.selectVersion(result.getArtifact().getVersion());
            artifact.setFile(result.getArtifact().getFile());
            artifact.setResolved(true);

            if (artifact.isSnapshot()) {
                Matcher matcher = Artifact.VERSION_FILE_PATTERN.matcher(artifact.getVersion());

                                .getResource("/poms/depmgmt/import.xml")
                                .getFile()));
                    case "test:other:pom":
                        return new FileModelSource(new File(getClass()
                                .getResource("/poms/depmgmt/other-import.xml")
                                .getFile()));
                    default:
                        throw new UnresolvableModelException(

        if (Artifact.SCOPE_SYSTEM.equals(node.getArtifact().getScope())
                && (node.getArtifact().getFile() == null)
                && (artifact.getFile() != null)) {
            fireEvent(ResolutionListener.MANAGE_ARTIFACT_SYSTEM_PATH, listeners, node, artifact);
            node.getArtifact().setFile(artifact.getFile());
        }
    }

    /**
     * Check if the artifactScope needs to be updated. <a