* {@link #TEST_COMPILE} and {@link #TEST_RUNTIME}, but can be extended by registering a
 * {@code org.apache.maven.api.spi.PathScopeProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.DependencyResolver
 * @see DependencyScope
 */
@Experimental

 * leveraged using the {@link org.apache.maven.api.plugin.annotations.Execute}
 * annotation.  If a {@code META-INF/maven/lifecycle.xml} file is packaged
 * in the plugin, Maven will provide a default implementation that will parse
 * the file and return the contained lifecycle definitions.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface LifecycleProvider {

    List<Lifecycle> getLifecycles();

import org.slf4j.spi.MDCAdapter;
import org.slf4j.spi.SLF4JServiceProvider;

public class MavenServiceProvider implements SLF4JServiceProvider {

    /**
     * Declare the version of the SLF4J API this implementation is compiled against.
     * The value of this field is modified with each major release.
     */
    // to avoid constant folding by the compiler, this field must *not* be final

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

import java.util.Properties;

/**
 * @since 3.2.3
 */
public class SystemProperties {
    /**
     * Thread-safe System.properties copy implementation.
     */
    public static void addSystemProperties(Properties props) {
        props.putAll(getSystemProperties());
    }

    /**
     * Returns a copy of {@link System#getProperties()} in a thread-safe manner.

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

import java.util.Properties;

import org.apache.maven.model.building.ModelBuildingRequest;

/**
 * Maven default implementation of the {@link ModelVersionProcessor} to support
 * <a href="https://maven.apache.org/maven-ci-friendly.html">CI Friendly Versions</a>
 */
@Named
@Singleton

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

/**
 * Provides a skeleton implementation for model building listeners. The methods of this class are empty.
 *
 */
public class AbstractModelBuildingListener implements ModelBuildingListener {

    @Override

 * under the License.
 */
package org.apache.maven.internal.transformation;

/**
 * Exception that may be thrown by the {@link org.apache.maven.artifact.Artifact#getFile()}
 * implementation.
 */
public class TransformationFailedException extends RuntimeException {

    public TransformationFailedException(Throwable cause) {
        super(cause);
    }

    MavenFailOnSeverityLogger(String name, LogLevelRecorder logLevelRecorder) {
        super(name);
        this.logLevelRecorder = logLevelRecorder;
    }

    /**
     * A simple implementation which always logs messages of level WARN
     * according to the format outlined above.
     */
    @Override
    public void warn(String msg) {
        super.warn(msg);
        logLevelRecorder.record(Level.WARN);

import org.apache.maven.wagon.providers.file.FileWagon;
import org.apache.maven.wagon.resource.Resource;

/**
 * Wagon used for test cases that annotate some methods. Note that this is not a thread-safe implementation.
 */
public class TestFileWagon extends FileWagon {
    private TestTransferListener testTransferListener;
    private boolean insideGet;

    @Deprecated

import org.eclipse.aether.deployment.DeployResult;
import org.eclipse.aether.deployment.DeploymentException;

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

/**
 * Implementation of {@link ArtifactDeployer} service.
 */
@Named
@Singleton
public class DefaultArtifactDeployer implements ArtifactDeployer {

    @Override
    public void deploy(@Nonnull ArtifactDeployerRequest request) {