this(artifact, null);
    }

    public ProjectArtifactMetadata(Artifact artifact, File file) {
        super(artifact);
        this.file = file;
    }

    public File getFile() {
        return file;
    }

    @Override
    public String getRemoteFilename() {
        return getFilename();
    }

    @Override
    public String getLocalFilename(ArtifactRepository repository) {

    byte[] data = newPreFilledByteArray(100);
    FileBackedOutputStream out = new FileBackedOutputStream(0, true);

    write(out, data, 0, 100, true);
    File file = out.getFile();
    assertEquals(100, file.length());
    assertTrue(file.exists());
    out.close();

    // Make sure that finalize deletes the file
    out = null;

    // times out and throws RuntimeException on failure

     */
    private boolean isRequestedProjectCollected(MavenExecutionRequest request, List<MavenProject> projects) {
        return projects.stream().map(MavenProject::getFile).anyMatch(request.getPom()::equals);
    }

    /**
     * This method finds out whether collecting projects failed because of the following scenario:

    String getVersion();

    void setVersion(String version);

    String getScope();

    String getType();

    String getClassifier();

    boolean hasClassifier();

    File getFile();

    void setFile(File destination);

    String getBaseVersion();

    void setBaseVersion(String baseVersion);

    String getId();

    String getDependencyConflictId();

            org.apache.maven.profiles.ActivationFile profileFile = profileActivation.getFile();

            if (profileFile != null) {
                ActivationFile file = new ActivationFile();

                file.setExists(profileFile.getExists());
                file.setMissing(profileFile.getMissing());

                activation.setFile(file);
            }

            profile.setActivation(activation);
        }

                }
            }

            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());

        MavenProject project1 = ex1.getResults().get(0).getProject();
        assertNotNull(project1);
        assertEquals("testArtifactMissingVersion", project1.getArtifactId());
        assertEquals(pomFile, project1.getFile());

        // multi projects build entry point
        ProjectBuildingException ex2 = assertThrows(
                ProjectBuildingException.class,

            } else {
                File file = artifact.getFile();
                log.debug("  Included {} located at {}", id, file);
                realm.addURL(file.toURI().toURL());
            }
        }
        return CoreExtensionEntry.discoverFrom(
                realm,
                Collections.singleton(artifacts.get(0).getFile()),
                extension.getGroupId() + ":" + extension.getArtifactId(),

            this.ids = new ArrayList<>(extensionArtifacts.size());

            for (Artifact artifact : extensionArtifacts) {
                File file = artifact.getFile();
                files.add(file);
                timestamps.add((file != null) ? Long.valueOf(file.lastModified()) : Long.valueOf(0));
                sizes.add((file != null) ? Long.valueOf(file.length()) : Long.valueOf(0));

    }

    private String emptify(String string) {
        return (string != null) ? string : "";
    }

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

    @Override
    public MetadataBridge setFile(File file) {
        return this;
    }

    @Override
    public Path getPath() {
        return null;
    }

    @Override