* which to start, and using expressions split at the dot ('.') to navigate
         * the object graph beneath this root.
         * @param root the root of the graph.
         */
        public ObjectBasedValueSource(Object root) {
            super(true);
            this.root = root;
        }

        /**
         * <p>Split the expression into parts, tokenized on the dot ('.') character. Then,

                    PluginVersionResolutionException {
        String goal = null;

        Plugin plugin = null;

        String[] tok = task.split(":");

        int numTokens = tok.length;

        if (numTokens >= 4) {
            // We have everything that we need
            //

        if (WILDCARD.equals(pattern) || pattern.equals(originalId)) {
            result = true;
        } else {
            // process the list
            String[] repos = pattern.split(",");
            for (String repo : repos) {
                // see if this is a negative match
                if (repo.length() > 1 && repo.startsWith("!")) {
                    if (repo.substring(1).equals(originalId)) {

        paths.add(Paths.get(request.getLocalRepository().getBasedir()));
        String localRepoTail = mergedProps.get(MAVEN_REPO_LOCAL_TAIL);
        if (localRepoTail != null) {
            Arrays.stream(localRepoTail.split(","))
                    .filter(p -> p != null && !p.trim().isEmpty())
                    .map(Paths::get)
                    .forEach(paths::add);
        }