checkVersionsEqual("1.0.0x", "1-x");
        checkVersionsEqual("1cr", "1rc");

        // special "aliases" a, b and m for alpha, beta and milestone
        checkVersionsEqual("1a1", "1-alpha-1");
        checkVersionsEqual("1b2", "1-beta-2");
        checkVersionsEqual("1m3", "1-milestone-3");

        // case insensitive
        checkVersionsEqual("1X", "1x");

     *   <li>If a {@code module-info.class} file is found in the root directory or in a
     *       {@code "META-INF/versions/{n}/"} subdirectory, builds a singleton map with
     *       the module name declared in that descriptor.</li>
     *   <li>Otherwise if an {@code "Automatic-Module-Name"} attribute is declared in the
     *       {@code META-INF/MANIFEST.MF} file, builds a singleton map with the value of that attribute.</li>
     * </ul>
     *

@Deprecated
public class ExpressionDocumenter {

    private static final String[] EXPRESSION_ROOTS = {"project", "settings", "session", "plugin", "rootless"};

    private static final String EXPRESSION_DOCO_ROOTPATH = "META-INF/maven/plugin-expressions/";

    private static Map<String, Expression> expressionDocumentation;

    public static Map<String, Expression> load() throws ExpressionDocumentationException {

        if (classLoader == null) {
            classLoader = getClass().getClassLoader();
        }
        try {
            for (Iterator<URL> it = classLoader
                            .getResources("META-INF/maven/org.apache.maven.api.di.Inject")
                            .asIterator();
                    it.hasNext(); ) {
                URL url = it.next();
                List<String> lines;

        }

        pluginDescriptor.setPluginArtifact(pluginArtifact);

        return pluginDescriptor;
    }

    private String getPluginDescriptorLocation() {
        return "META-INF/maven/plugin.xml";
    }

    private PluginDescriptor parsePluginDescriptor(
            PluginDescriptorBuilder.StreamSupplier is, Plugin plugin, String descriptorLocation)

    @Nonnull
    Map<PathType, List<Path>> resolveDependencies(
            @Nonnull Project project, @Nonnull PathScope scope, @Nonnull Collection<PathType> desiredTypes);

    /**
     * Resolves an artifact's meta version (if any) to a concrete version. For example, resolves "1.0-SNAPSHOT"
     * to "1.0-20090208.132618-23" or "RELEASE"/"LATEST" to "2.0".
     * <p>
     * Shortcut for {@code getService(VersionResolver.class).resolve(...)}

            changed = true;
        } else {
            changed = metadata.merge(this.metadata);
        }

        // beware meta-versions!
        String version = metadata.getVersion();
        if (Artifact.LATEST_VERSION.equals(version) || Artifact.RELEASE_VERSION.equals(version)) {
            // meta-versions are not valid <version/> values...don't write them.
            metadata.setVersion(null);
        }

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven;

import java.util.Set;

/**
 * @deprecated use {@code META-INF/maven/extension.xml} to define artifacts exported by Maven core extensions.
 */
@Deprecated
public interface ArtifactFilterManagerDelegate {

    void addExcludes(Set<String> excludes);

            if (followedByDigit && value.length() == 1) {
                // a1 = alpha-1, b1 = beta-1, m1 = milestone-1
                switch (value.charAt(0)) {
                    case 'a':
                        value = "alpha";
                        break;
                    case 'b':
                        value = "beta";
                        break;
                    case 'm':

    }

    @Override
    public String getMavenVersion() {
        return mavenVersion;
    }

    private String loadMavenVersion() {
        Properties props = new Properties();

        String resource = "META-INF/maven/org.apache.maven/maven-core/pom.properties";

        try (InputStream is = DefaultRuntimeInformation.class.getResourceAsStream("/" + resource)) {
            if (is != null) {
                props.load(is);