protected static final String XMLNS_URI = http://www.w3.org/2000/xmlns/; protected static final String FEATURE_XML_ROUNDTRIP = http://xmlpull.org/v1/doc/features.html#xml-roundtrip; protected static final String FEATURE_NAMES_INTERNED = http://xmlpull.org/v1/doc/features.html#names-interned; protected static final String PROPERTY_XMLDECL_VERSION = http://xmlpull.org/v1/doc/properties.html#xmldecl-version; protected static final String PROPERTY_XMLDECL_STANDALONE = http://xmlpull.org/v1/doc/proper...

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

import org.apache.maven.api.Artifact;
import org.apache.maven.api.ArtifactCoordinate;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.ArtifactManager;
import org.apache.maven.api.services.ArtifactResolver;
import org.apache.maven.api.services.ArtifactResolverException;

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

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

import java.io.File;
import java.io.IOException;
import java.nio.file.DirectoryNotEmptyException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

        Map<String, String> userProperties = new HashMap<>(request.getUserProperties());
        if (!userProperties.containsKey(ProfileActivationContext.PROPERTY_NAME_PACKAGING)) {
            userProperties.put(ProfileActivationContext.PROPERTY_NAME_PACKAGING, model.getPackaging());
        }
        context.setUserProperties(userProperties);
        context.setProjectDirectory(model.getProjectDirectory());

import org.eclipse.aether.internal.impl.transport.http.XChecksumExtractor;
import org.eclipse.aether.named.NamedLockFactory;
import org.eclipse.aether.named.providers.FileLockNamedLockFactory;
import org.eclipse.aether.named.providers.LocalReadWriteLockNamedLockFactory;
import org.eclipse.aether.named.providers.LocalSemaphoreNamedLockFactory;
import org.eclipse.aether.named.providers.NoopNamedLockFactory;
import org.eclipse.aether.spi.artifact.ArtifactPredicateFactory;

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Repository;
import org.apache.maven.api.services.RepositoryFactory;
import org.eclipse.aether.impl.RemoteRepositoryManager;
import org.eclipse.aether.repository.RepositoryPolicy;

import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Singleton

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

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

import java.nio.file.Path;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Stream;

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-impl</artifactId>
  <name>Maven API Implementation</name>
  <description>Provides the implementation classes for the Maven API</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-core</artifactId>

/**
 */
@Named
@Singleton
public class DefaultModelValidator implements ModelValidator {

    public static final List<String> VALID_MODEL_VERSIONS =
            Collections.unmodifiableList(Arrays.asList("4.0.0", "4.1.0"));

    private static final Pattern EXPRESSION_NAME_PATTERN = Pattern.compile("\\$\\{(.+?)}");
    private static final Pattern EXPRESSION_PROJECT_NAME_PATTERN = Pattern.compile("\\$\\{(project.+?)}");

import java.util.function.Consumer;
import java.util.stream.Collectors;

import org.apache.maven.api.ArtifactCoordinate;
import org.apache.maven.api.Session;
import org.apache.maven.api.Version;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.ArtifactResolverException;
import org.apache.maven.api.services.ModelResolver;
import org.apache.maven.api.services.ModelResolverException;