@Internal
    String executable

    private final List<Object> arguments = new ArrayList<>()

    void args(Object... args) {
        arguments.addAll(args)
    }

    /**
     * Environment variables for the fixture process. The value can be any object, which
     * will have toString() called at execution time.
     */
    private final Map<String, Object> environment = new HashMap<>()

        for (MavenProject project : projects) {
            String projectId = ArtifactUtils.key(project.getGroupId(), project.getArtifactId(), project.getVersion());

            MavenProject collision = index.get(projectId);

            if (collision == null) {
                index.put(projectId, project);
            } else {

import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.reflect.Reflection;
import java.io.Serializable;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.AbstractMap;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.Collections;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal;

import javax.inject.Named;
import javax.inject.Singleton;

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

import org.apache.maven.lifecycle.MavenExecutionPlan;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.project.interpolation;

import java.io.File;
import java.util.List;

import org.apache.maven.project.path.PathTranslator;
import org.codehaus.plexus.interpolation.InterpolationPostProcessor;
import org.codehaus.plexus.interpolation.util.ValueSourceUtils;

/**
 *

 * the {@code /project/subprojects/subproject} elements of the POM in the aggregator project.
 * Note that the aggregator project is required to have a {@code pom} packaging.</p>
 *
 * <p><dfn>Project inheritance</dfn> defines a parent-child relationship between projects.
 * The <dfn>child project</dfn> inherits all the information from the <dfn>parent project</dfn>
 * POM.</p>
 *
 */

    private final Path rootDir;

    private boolean dryRun;

    @Inject
    public PruneChangelogsTask(Project project, ObjectFactory objectFactory, ExecOperations execOperations) {
        changelogs = objectFactory.fileCollection();
        gitWrapper = new GitWrapper(execOperations);
        rootDir = project.getRootDir().toPath();
    }

    @Internal
    public FileCollection getChangelogs() {

    public static boolean equals(final Object object1, final Object object2) {
        if (object1 == object2) {
            return true;
        }
        if (object1 == null || object2 == null) {
            return false;
        }
        return object1.equals(object2);
    }

    /**
     * Returns the hash code of the specified object, or 0 if the object is null.
     *
     * @param obj the object
     * @return the hash code or 0

/*
 * Copyright (C) 2012 Square, Inc.
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.project;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.resolver.DefaultArtifactResolver;

@Named("classpath")