}
        if (Files.isDirectory(project)) {
            Path pom = project.resolve("pom.xml");
            return Files.isRegularFile(pom) ? pom : null;
        } else if (Files.isRegularFile(project)) {
            return project;
        } else {
            return null;
        }
    }

    private Model doRead(XmlReaderRequest request) throws IOException {

    }

    private File findInProjectLocalRepository(Artifact artifact) {
        Path target = getArtifactPath(artifact);
        return Files.isRegularFile(target) ? target.toFile() : null;
    }

    /**
     * We are interested in project success events, in which case we call
     * the {@link #installIntoProjectLocalRepository(MavenProject)} method.

    }

    @Override
    public void put(Path source, URI relativeTarget) {
        requireNonNull(source, "source is null");
        requireNonNull(relativeTarget, "relativeTarget is null");
        if (Files.isRegularFile(source)) {
            throw new IllegalArgumentException("source file does not exist or is not a file");
        }
        if (relativeTarget.isAbsolute()) {

                && "".equals(artifact.getClassifier())
                && artifact.getPath() != null) {
            Path artifactPath = artifact.getPath();
            if (Files.isRegularFile(artifactPath)) {
                try (JarFile artifactJar = new JarFile(artifactPath.toFile(), false)) {
                    ZipEntry pluginDescriptorEntry = artifactJar.getEntry(PLUGIN_DESCRIPTOR_LOCATION);

                        // gathered with problem collector
                    }
                }
            }

            private Model findRawModel(Path from, Path p) {
                if (!Files.isRegularFile(p)) {
                    throw new IllegalArgumentException("Not a regular file: " + p);
                }

                if (!addEdge(from, p, problems)) {
                    return null;
                }

        Path pomPath = pomFile.resolveSibling(relativePath).normalize();
        if (Files.isDirectory(pomPath)) {
            pomPath = context.locate(pomPath);
        }

        if (pomPath == null || !Files.isRegularFile(pomPath)) {
            return Optional.empty();
        }

        Optional<RelativeProject> mappedProject = Optional.ofNullable(context.getRawModel(pomFile, pomPath.normalize()))