if (version != null) {
            for (String key : Arrays.asList("changelist", "revision", "sha1")) {
                String val = context.getUserProperty(key);
                if (val != null) {
                    version = version.replace("${" + key + "}", val);
                }
            }
        }
        return version;
    }

import org.apache.maven.api.services.model.*;

/**
 * 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
public class DefaultModelVersionProcessor implements ModelVersionProcessor {

    private static final String SHA1_PROPERTY = "sha1";

    Collection<E> siblingCollection = new ArrayList<>();
    siblingCollection.add(sampleElement);

    Collection<E> copy = new ArrayList<>();
    // Avoid copy.addAll(collection), which runs afoul of an Android bug in older versions:
    // http://b.android.com/72073 http://r.android.com/98929
    Iterators.addAll(copy, collection.iterator());

    try {
      collection.add(sampleElement);

            validateStringNotEmpty("artifactId", problems, Severity.FATAL, Version.V20, m.getArtifactId(), m);

            validateVersionNoExpression("version", problems, Severity.WARNING, Version.V20, m.getVersion(), m);
            if (parent == null) {
                validateStringNotEmpty("version", problems, Severity.FATAL, Version.V20, m.getVersion(), m);
            }

    //
    // or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // p1 has a depMgmt section that specifies versions 1.0 of jars "a" & "b"
    // jar "a" has a transitive dependency on 2.0 of jar "b", but maven should
    // prefer to use version 1.0.
    //
    // ----------------------------------------------------------------------

    @Test

  final Segment<K, V, E, S>[] newSegmentArray(int ssize) {
    return (Segment<K, V, E, S>[]) new Segment<?, ?, ?, ?>[ssize];
  }

  // Inner Classes

  /**
   * Segments are specialized versions of hash tables. This subclass inherits from ReentrantLock
   * opportunistically, just to simplify some locking and avoid separate construction.
   */
  @SuppressWarnings("serial") // This class is never serialized.

  @Override
  public void testNullPointerInstance() {
    if (isAndroid()) {
      /*
       * NPT fails under the old versions of Android we test under because it performs reflection on
       * ImmutableTable, which declares static methods that refer to Collector, which is unavailable
       * under such versions.
       *
       * We use a runtime check here instead of @AndroidIncompatible: @AndroidIncompatible operates

            }
        }

        /*
         * MNG-4312: We neither have reserved all of the above magic expressions nor is their set fixed/well-known (it
         * gets occasionally extended by newer Maven versions). This imposes the risk for existing plugins to
         * unintentionally use such a magic expression for an ordinary property. So here we check whether we

     *
     * Otherwise if the given path is a JAR file, then there is a choice:
     * <ul>
     *   <li>If a {@code module-info.class} file is found in the root directory or in a
     *       {@code "META-INF/versions/{n}/"} subdirectory, builds a singleton map with
     *       the module name declared in that descriptor.</li>
     *   <li>Otherwise if an {@code "Automatic-Module-Name"} attribute is declared in the

  }

  @J2ktIncompatible // Kotlin Native's regex is based on Apache Harmony, like old Android
  @GwtIncompatible // java.util.regex.Pattern
  @AndroidIncompatible // Bug in older versions of Android we test against, since fixed.
  public void testPatternSplitLookBehind() {
    if (!CommonPattern.isPcreLike()) {
      return;
    }
    String toSplit = ":foo::barbaz:";