/**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}
     */

        }
    }

    /**
     * Simply parse the given xml string.
     *
     * @param xml the input xml string
     * @return the parsed object
     * @throws XmlReaderException if an error occurs during the parsing
     * @see #toXmlString(Object)
     */
    public static Model fromXml(@Nonnull String xml) throws XmlReaderException {
        return new DefaultModelXmlFactory().fromXmlString(xml);
    }

        }
    }

    /**
     * Simply parse the given xml string.
     *
     * @param xml the input xml string
     * @return the parsed object
     * @throws XmlReaderException if an error occurs during the parsing
     * @see #toXmlString(Object)
     */
    public static Model fromXml(@Nonnull String xml) throws XmlReaderException {
        return new DefaultModelXmlFactory().fromXmlString(xml);
    }

import static java.util.Objects.requireNonNull;

/**
 * A class building reverse tree using {@link CollectStepData} trace data provided in {@link RepositoryEvent}
 * events fired during collection.
 *
 * @since 3.9.0
 */
class ReverseTreeRepositoryListener extends AbstractRepositoryListener {
    @Override
    public void artifactResolved(RepositoryEvent event) {

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelBuilderRequest;

/**
 * Normalizes URLs to remove the ugly parent references "../" that got potentially inserted by URL adjustment during
 * model inheritance.
 *
 */
public interface ModelUrlNormalizer {

    /**
     * Normalizes the well-known URLs of the specified model.
     *

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

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

/**
 * Collects problems that are encountered during settings building.
 *
 */
class DefaultProblemCollector implements ProblemCollector {

    private final List<Problem> problems;

    private String source;

  <artifactId>parent</artifactId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <name>Maven Integration Test :: MNG-3916</name>
  <description>
    Test that plugin executions are properly merged during inheritance, even if the child plugin section has no
    version.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

    <version>0.1</version>
  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3943</name>
  <description>
    Test that plugin executions are properly merged during inheritance, even if the child uses a different
    plugin version than the parent.
  </description>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>

import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;

/**
 * Describes a version transformation during artifact resolution - "latest" type
 */
@Named("latest")
@Singleton
@Deprecated
public class LatestArtifactTransformation extends AbstractVersionTransformation {

    <version>0.1</version>
  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3938</name>
  <description>
    Test that plugin executions with the same id are merged during inheritance, especially executions using the
    default id, regardless whether the id is given explicitly by the user or implicitly assumed from defaults.
  </description>

  <build>
    <plugins>
      <plugin>