try {
                        if (node.filterTrail(filter)) {
                            // If it was optional and not a direct dependency,
                            // we don't add it or its children, just allow the update of the version and artifactScope
                            if (node.isChildOfRootNode() || !artifact.isOptional()) {

     * @param node the dependency node to visit
     * @return <code>true</code> to visit the specified dependency node's children, <code>false</code> to skip the
     *         specified dependency node's children and proceed to its next sibling
     */
    boolean enter(@Nonnull Node node);

    /**
     * Ends the visit to the specified dependency node.
     *
     * @param node the dependency node to visit

        assertEquals(
                "org.apache.maven.its", pom.getValue("dependencyManagement/dependencies[1]/exclusions[1]/groupId"));
        assertEquals(
                "excluded-managed-dep", pom.getValue("dependencyManagement/dependencies[1]/exclusions[1]/artifactId"));

        assertEquals(1, ((List<?>) pom.getValue("dependencies")).size());
        assertEquals("org.apache.maven.its", pom.getValue("dependencies[1]/groupId"));

 * If plugin or extension needs anything more complex feature wise (i.e. HTTP range support or alike) it should
 * probably roll its own.
 * <p>
 * This implementation is backed by Maven Resolver API, supported protocols and transport selection depends on it. If
 * resolver preference regarding transport is altered, it will affect this service as well.
 *

    private static final HashMap<String, String> DEPRECATED_CORE_PARAMETERS;

    private static final String ARTIFACT_REPOSITORY_REASON =
            "ArtifactRepository type is deprecated and its use in Mojos should be avoided.";

    static {
        HashMap<String, String> deprecatedCoreParameters = new HashMap<>();
        deprecatedCoreParameters.put("${localRepository}", ARTIFACT_REPOSITORY_REASON);

  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

public interface PluginManagementInjector {

    /**
     * Merges default values from the plugin management section of the given model into itself.
     *
     * @param model The model into which to merge the values specified by its plugin management section, must not be
     *            <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.

 * registered component descriptors twice: once keyed by role+roleHint and once keyed by role only. This effectively
 * made the metadata source available with its original role hint ("maven") as well as the default hint.
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultMetadataSource extends MavenMetadataSource {
    @Inject
    public DefaultMetadataSource(

package org.apache.maven.building;

/**
 * Describes a problem that was encountered during settings building. A problem can either be an exception that was
 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 */
public interface Problem {

    /**
     * The different severity levels for a problem, in decreasing order.
     */
    enum Severity {

     * unmarshalled into that type. The preprocessor is not required to perform any type conversion but should rather
     * filter out incompatible values from its result.
     *
     * @param value The configuration value to preprocess, must not be {@code null}.
     * @param type The target type of the value, may be {@code null}.