// from the plugin.xml inside a plugin.
    //
    // TODO This whole method could probably removed by injecting lifeCyclePluginAnalyzer straight into client site.
    // TODO But for some reason the whole plexus appcontext refuses to start when I try this.

    public Set<Plugin> getPluginsBoundByDefaultToAllLifecycles(String packaging) {

                    {
                        advance();
                    }

                    private void advance() {
                        next = null;
                        while (iterator.hasNext()) {
                            Entry<Object, Object> e = iterator.next();
                            if (PropertiesAsMap.matches(e)) {
                                next = new Entry<String, String>() {

        }
        if (!rangeValue.closed) {
            return isLeft ? -1 : 1;
        }
        return 0;
    }

    private static void addZeroTokens(List<String> tokens, int max) {
        while (tokens.size() < max) {
            tokens.add("0");
        }
    }

    private static boolean isRange(String value) {
        return value.startsWith("[") || value.startsWith("(");
    }

                ModelSource source = getSource(groupId, artifactId);
                if (source == null) {
                    // we need to check the whole reactor in case it's a dependency
                    loadFullReactor();
                    source = getSource(groupId, artifactId);
                }
                if (source != null) {

        if (result != null) {
            while (true) {
                int idx = result.indexOf("/../");
                if (idx < 0) {
                    break;
                } else if (idx == 0) {
                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {

import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;

/**
 * Component able to contribute to Maven session user properties. This SPI component is invoked
 * very early, while there is no session created yet.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface PropertyContributor extends SpiService {
    /**

 *
 * @since 4.0.0
 * @see DependencyCollector#collect(DependencyCollectorRequest)
 */
@Experimental
public interface DependencyCollectorResult {
    /**
     * Gets the exceptions that occurred while building the dependency graph.
     *
     * @return the exceptions that occurred, never {@code null}
     */
    @Nonnull
    List<Exception> getExceptions();

    /**

        assertNotNull(set, "No artifacts");
        assertTrue(set.size() > 0, "No Artifacts");
        Iterator iter = set.iterator();
        assertTrue(set.size() == 4, "Set size should be 4, is " + set.size());

        while (iter.hasNext()) {
            Artifact artifact = (Artifact) iter.next();
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()

        MessageDigest md = MessageDigest.getInstance("SHA-1");
        try (InputStream fis = Files.newInputStream(path)) {
            byte[] buffer = new byte[SHA1_BUFFER_SIZE];
            int read;
            while ((read = fis.read(buffer)) != -1) {
                md.update(buffer, 0, read);
            }
        }
        StringBuilder result = new StringBuilder();
        for (byte b : md.digest()) {

        if (ce1.size() == ce2.size()) {
            Iterator<Exclusion> i1 = ce1.iterator();
            Iterator<Exclusion> i2 = ce2.iterator();
            while (i1.hasNext() && i2.hasNext()) {
                if (!equals(i1.next(), i2.next())) {
                    return false;
                }
            }
            return !i1.hasNext() && !i2.hasNext();
        }