public String cycleToString(); public String getMessage(); } org/codehaus/plexus/util/dag/CycleDetector.class package org.codehaus.plexus.util.dag; public synchronized class CycleDetector { private static final Integer NOT_VISTITED; private static final Integer VISITING; private static final Integer VISITED; public void CycleDetector(); public static java.util.List hasCycle(DAG); public static java.util.List introducesCycle(Vertex, java.util.Map); public static java.util.List introducesCycle(Vertex); private...

    @Inject
    private PlexusContainer container;

    @Inject
    private LegacySupport legacySupport;

    private final Executor executor;

    public DefaultArtifactResolver() {
        int threads = Integer.getInteger("maven.artifact.threads", 5);
        if (threads <= 1) {
            executor = Runnable::run;
        } else {
            executor = new ThreadPoolExecutor(

            // the defined parallism, while making sure the pool will not
            // be exhausted
            //
            return new ThreadPoolExecutor(
                    parallelism, Integer.MAX_VALUE, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>()) {
                final AtomicInteger parked = new AtomicInteger();

                @Override

                // https://maven.apache.org/guides/mini/guide-http-settings.html
                Map<String, String> headers = null;
                Integer connectTimeout = null;
                Integer requestTimeout = null;

                PlexusConfiguration httpHeaders = config.getChild("httpHeaders", false);
                if (httpHeaders != null) {

    private final Integer buildNumber;

    RemoteSnapshotMetadata(Artifact artifact, Date timestamp, Integer buildNumber) {
        super(createRepositoryMetadata(artifact), null, timestamp);
        this.buildNumber = buildNumber;
    }

    private RemoteSnapshotMetadata(Metadata metadata, Path path, Date timestamp, Integer buildNumber) {
        super(metadata, path, timestamp);

        assertEquals("4.0.0", project4.getModelVersion());

        Build build = project4.getBuild();
        List<Plugin> plugins = build.getPlugins();

        Map<String, Integer> validPluginCounts = new HashMap<>();

        String testPluginArtifactId = "maven-compiler-plugin";

        // this is the plugin we're looking for.
        validPluginCounts.put(testPluginArtifactId, 0);

                if (fieldName.endsWith("]")) {
                    key = fieldName.substring(fieldName.lastIndexOf('[') + 1, fieldName.length() - 1);
                    try {
                        key = Integer.valueOf(key.toString());
                    } catch (NumberFormatException e) {
                        // use key as is
                    }
                }