import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.apache.maven.lifecycle.internal.ProjectBuildList;
import org.apache.maven.lifecycle.internal.ProjectSegment;

/**
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 * This class in particular may spontaneously self-combust and be replaced by a plexus-compliant thread aware
 * logger implementation at any time.

        }

        if (retValue == null) {
            retValue = "/";
        }
        return retValue.trim();
    }

    /**
     * Decodes the specified (portion of a) URL. <strong>Note:</strong> This decoder assumes that ISO-8859-1 is used to
     * convert URL-encoded bytes to characters.
     *
     * @param url The URL to decode, may be <code>null</code>.

        // topological order of the projects, and therefore can potentially change the build order.
        //
        // Note that participants may affect the topological order of the projects but it is
        // not expected that a participant will add or remove projects from the session.
        //

        graphResult = buildGraph(session);

        if (graphResult.hasErrors()) {

     *
     * @param project The project to try to resolve the artifact from, must not be <code>null</code>.
     * @param requestedArtifact The artifact to resolve, must not be <code>null</code>.
     * @return The matching artifact from the project or <code>null</code> if not found. Note that this
     */
    private Artifact findMatchingArtifact(MavenProject project, Artifact requestedArtifact) {

     * @param session
     * @return PluginDescriptor The component descriptor for the Maven plugin.
     * @throws PluginNotFoundException The plugin could not be found in any repositories.
     * @throws PluginResolutionException The plugin could be found but could not be resolved.
     * @throws InvalidPluginDescriptorException
     */
    public PluginDescriptor loadPlugin(

    /**
     * Returns the plugin context for given key ({@link PluginDescriptor#getPluginLookupKey()} and
     * {@link MavenProject}, never returns {@code null} as if context not present, creates it.
     *
     * <strong>Implementation note:</strong> while this method return type is {@link Map}, the returned map instance
     * implements {@link ConcurrentMap} as well.
     *
     */

who have received copies, or rights, from you under this License will
not have their licenses terminated so long as such parties remain in
full compliance.

5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by

        return cached;
    }

    /**
     * Creates and returns a new <code>VersionRange</code> that is a restriction of this
     * version range and the specified version range.
     * <p>
     * Note: Precedence is given to the recommended version from this version range over the
     * recommended version from the specified version range.
     * </p>
     *

            DependencyFilter filter) {
        for (DependencyNode node : nodes) {
            org.apache.maven.artifact.Artifact artifact = toArtifact(node.getDependency());

            List<String> nodeTrail = new ArrayList<>(trail.size() + 1);
            nodeTrail.addAll(trail);
            nodeTrail.add(artifact.getId());

            if (filter == null || filter.accept(node, Collections.emptyList())) {

            node.getArtifact().setVersion(artifact.getVersion());
        }

        if ((artifact.getScope() != null)
                && (!node.isChildOfRootNode() || node.getArtifact().getScope() == null)) {
            fireEvent(ResolutionListener.MANAGE_ARTIFACT_SCOPE, listeners, node, artifact);
            node.getArtifact().setScope(artifact.getScope());
        }