/**
     * Sets the user properties to use for interpolation and profile activation. The user properties have been
     * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
     * line.
     *
     * @param userProperties The user properties, may be {@code null}.
     * @return This request, never {@code null}.
     */
    ProjectBuildingRequest setUserProperties(Properties userProperties);

                }
            }
        } catch (IOException | XMLStreamException e) {
            // The root locator can be used very early during the setup of Maven,
            // even before the arguments from the command line are parsed.  Any exception
            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been
     * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
     * line.
     *
     * @return The user properties, never {@code null}.
     */
    Map<String, String> getUserProperties();

    /**
     * Gets the base directory of the current project (if any).
     *

     * <p>
     * e.g running mvn site:run will cause Jetty to fail.
     * </p>
     * <p>
     * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in
     * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException
     * </p>
     */
    @Test
    void testJdk7ipv6() {

import java.util.Map;

/**
 * A core extension to monitor Maven's execution. Typically, such an extension gets loaded into Maven by specifying the
 * property {@code maven.ext.class.path} on the command line. As soon as dependency injection is set up, Maven
 * looks up all implementers of this interface and calls their {@link #init(Context)} method. Note:

import org.apache.maven.project.MavenProject;

/**
 * Instances of this interface retrieve and store data for the --resume / -r feature. This data is used to ensure newer
 * builds of the same project, that have the -r command-line flag, skip successfully built projects during earlier
 * invocations of Maven.
 */
public interface BuildResumptionDataRepository {
    /**

 */
package org.apache.maven.lifecycle.internal;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * Describes the required task segment as provided on the maven command line; i.e. "clean jetty:run install"
 *
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
public final class TaskSegment {

        String expected = "Missing artifact" + LS + LS + "  Try downloading the file manually from: " + LS
                + "      http://somewhere.com/download" + LS + LS + "  Then, install it using the command: " + LS
                + "      mvn install:install-file -DgroupId=aGroupId -DartifactId=anArtifactId -Dversion=aVersion "
                + "-Dclassifier=aClassifier -Dpackaging=jar -Dfile=/path/to/file" + LS + LS

package org.apache.maven.api;

import java.nio.file.Path;
import java.util.Optional;

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

/**
 * The option of a command-line tool where to place the paths to some dependencies.
 * A {@code PathType} can identify the Java class-path, the Java module-path,
 * or another kind of path for another programming language for example.

    /**
     * Sets the user properties to use for interpolation and profile activation. The user properties have been
     * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
     * line.
     *
     * @param userProperties The user properties, may be {@code null}.
     * @return This context, never {@code null}.
     */
    @SuppressWarnings("unchecked")