Optional<Boolean> model();

    /**
     * Should upgrade plugins known to fail with Maven 4 to their minimum compatible versions.
     * This includes upgrading plugins like maven-exec-plugin, maven-enforcer-plugin,
     * flatten-maven-plugin, and maven-shade-plugin to versions that work with Maven 4.
     *
     * @return an {@link Optional} containing the boolean value {@code true} if specified, or empty
     */
    @Nonnull

 * under the License.
 */
package org.apache.maven.api.services;

import org.apache.maven.api.ArtifactCoordinates;
import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Resolves artifact meta/pseudo versions.
 *

 * under the License.
 */
package org.apache.maven.toolchain;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.Session;
import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.ToolchainFactory;
import org.apache.maven.api.toolchain.ToolchainModel;

 * under the License.
 */
package org.apache.maven.repository.legacy.resolver;

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

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolutionRequest;

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.squareup.okhttp3</groupId>
  <artifactId>maven-tests</artifactId>
  <version>1.0.0-SNAPSHOT</version>

  <name>maven-tests</name>
  <description>A simple maven-test.</description>

MF Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.6.0_07 META-INF/maven/org.apache.maven.its/a/pom.xml 4.0.0 org.apache.maven.its a 0.1 jar Maven Integration Test :: Dummy Artifact maven-core-it file:///${basedir}/repo META-INF/maven/org.apache.maven.its/a/pom.properties #Generated by Maven #Sat Oct 24 00:27:56 CEST 2009 version=0.1 groupId=org.apache.maven.its artifactId=a...

import org.apache.maven.api.model.Repository;
import org.apache.maven.api.services.ArtifactCoordinatesFactory;
import org.apache.maven.api.services.DependencyCoordinatesFactory;
import org.apache.maven.api.services.VersionResolverException;
import org.apache.maven.api.settings.Settings;
import org.apache.maven.api.toolchain.ToolchainModel;

/**
 * The session to install / deploy / resolve artifacts and dependencies.
 *
 * @since 4.0.0
 */

import org.apache.maven.api.PathType;
import org.apache.maven.api.Project;
import org.apache.maven.api.RemoteRepository;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Immutable;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.NotThreadSafe;
import org.apache.maven.api.annotations.Nullable;

<?xml version="1.0" encoding="UTF-8"?>
<project
  xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.google.guava</groupId>
  <artifactId>guava-bom</artifactId>
  <version>999.0.0-HEAD-jre-SNAPSHOT</version>
  <packaging>pom</packaging>

 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Provides the API for the Maven Shell tool ({@code mvnsh}).
 *
 * <p>This package contains interfaces and classes for the interactive Maven shell,
 * which provides a command-line interface for executing Maven commands and
 * managing build environments.</p>
 *
 * <p>Key features include:</p>
 * <ul>