versioning.lastUpdated(fmt.format(timestamp));

        if (recessive.getVersioning() != null) {
            if (original.getLatest() == null) {
                versioning.latest(recessive.getVersioning().getLatest());
            }
            if (original.getRelease() == null) {
                versioning.release(recessive.getVersioning().getRelease());
            }

#**##foreach ( $license in $project.licenses )
#*  *##set ( $groupId = $project.artifact.groupId )
#*  *##set ( $directory = 'lib' )
#*  *##if ( !$apacheMavenGroupIds.contains( $groupId ) )
#*    *### advertise about each non-Maven dependency
#*    *###
#*    *### infer SPDX license id
#*    *##if ( $MITLicenseNames.contains( $license.name ) )
#*      *##set ( $spdx = 'MIT' )

        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {

        if (repository == null || repository.getBasedir() == null) {
            return session;
        }

        if (session != null) {
            LocalRepositoryManager lrm = session.getLocalRepositoryManager();
            if (lrm != null && lrm.getRepository().getBasedir().equals(new File(repository.getBasedir()))) {

        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }
        try {
            InputSource source = null;
            if (request.getModelId() != null || request.getLocation() != null) {

        if (mgmt != null) {
            for (org.apache.maven.api.model.Dependency dependency : mgmt.getDependencies()) {
                result.addManagedDependency(convert(dependency, stereotypes));
            }
        }

        Map<String, Object> properties = new LinkedHashMap<>();

        Prerequisites prerequisites = model.getPrerequisites();
        if (prerequisites != null) {

            if (state == null) {
                cycle.addLast(v.label);
                List<String> ret = visitCycle(v.children, stateMap, cycle);
                if (ret != null) {
                    return ret;
                }
                cycle.removeLast();
                stateMap.put(v, DfsState.VISITED);
            } else if (state == DfsState.VISITING) {

        if (hasErrors(problems)) {
            throw new ToolchainsBuilderException("Error building toolchains", problems);
        }

        return new DefaultToolchainsBuilderResult(effective, problems);
    }

    private boolean hasErrors(List<BuilderProblem> problems) {
        if (problems != null) {
            for (BuilderProblem problem : problems) {

        return this;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }

        if (MetadataGraphNode.class.isAssignableFrom(obj.getClass())) {
            MetadataGraphNode node2 = (MetadataGraphNode) obj;

            if (node2.metadata == null) {
                return metadata == null;
            }

     * @param newValue the data to associate with the key, may be {@code null} to remove the mapping
     * @return {@code true} if the key mapping was successfully updated from the old value to the new value,
     *         {@code false} if the current key mapping didn't match the expected value and was not updated.
     */
    <T> boolean replace(@Nonnull Key<T> key, @Nullable T oldValue, @Nullable T newValue);