if (dep.getVersion() == null) {
                Model depModel = context.getRawModel(model.getPomFile(), dep.getGroupId(), dep.getArtifactId());
                if (depModel != null) {
                    String v = depModel.getVersion();
                    if (v == null && depModel.getParent() != null) {
                        v = depModel.getParent().getVersion();
                    }

                "The minimum version that can be provided is '%s'", value, constraint, lowestTestedVersion.getVersion()));
        }
    }

    private static GradleVersion getVersion(String value, int beginIndex) {
        return GradleVersion.version(value.substring(beginIndex));
    }

    }

    public String getSnapshotVersion() {
        return getVersion().replace(timestamp, "SNAPSHOT");
    }

    public ModuleComponentIdentifier getSnapshotComponent() {
        return DefaultModuleComponentIdentifier.newId(getModuleIdentifier(), getSnapshotVersion());
    }

    public String getTimestampedVersion() {
        return getVersion().replace("SNAPSHOT", timestamp);
    }

                if (equals(existing.getVersion(), dependency.getVersion())) {
                    msg = "duplicate declaration of version " + Objects.toString(dependency.getVersion(), "(?)");
                } else {
                    msg = "version " + Objects.toString(existing.getVersion(), "(?)") + " vs "
                            + Objects.toString(dependency.getVersion(), "(?)");
                }

            return null;
        }

        String version = getVersion(candidateModel);
        if (version != null && parent.getVersion() != null && !version.equals(parent.getVersion())) {
            try {
                VersionRange parentRange = versionParser.parseVersionRange(parent.getVersion());
                if (!parentRange.contains(versionParser.parseVersion(version))) {

            MIN_CLIENT_VERSION.getVersion(),
            createCurrentVersionMessage(),
            MIN_CLIENT_VERSION.getVersion()));
    }

    private String createCurrentVersionMessage() {
        if (consumerVersion == null) {
            return "";
        } else {

        }
        if (active && os.getArch() != null) {
            active = determineArchMatch(os.getArch(), actualOsArch);
        }
        if (active && os.getVersion() != null) {
            active = determineVersionMatch(os.getVersion(), actualOsVersion);
        }

        return active;
    }

    @Override

        return Objects.equals(d1.getGroupId(), d2.getGroupId())
                && Objects.equals(d1.getArtifactId(), d2.getArtifactId())
                && Objects.equals(d1.getVersion(), d2.getVersion())
                && Objects.equals(d1.getType(), d2.getType())
                && Objects.equals(d1.getClassifier(), d2.getClassifier())
                && Objects.equals(d1.getScope(), d2.getScope())

        this.componentIdentifier = DefaultModuleComponentIdentifier.newId(id);
        this.id = id;
    }

    @Override
    public String getVersion() {
        return id.getVersion();
    }

    @Override
    public ComponentIdentifier getComponentId() {
        return componentIdentifier;
    }

    @Override
    public ModuleVersionIdentifier getId() {

        when(project.getArtifactId()).thenReturn("maven-embedder");
        when(project.getPackaging()).thenReturn("jar");
        when(project.getName()).thenReturn("Apache Maven Embedder");
        when(project.getVersion()).thenReturn("3.5.4-SNAPSHOT");
        when(project.getFile()).thenReturn(new File(basedir, "maven-embedder/pom.xml"));
        when(event.getProject()).thenReturn(project);