oneValueAccumulator = new PairedStatsAccumulator();
    oneValueAccumulator.add(ONE_VALUE, OTHER_ONE_VALUE);

    oneValueAccumulatorByAddAllEmptyPairedStats = new PairedStatsAccumulator();
    oneValueAccumulatorByAddAllEmptyPairedStats.add(ONE_VALUE, OTHER_ONE_VALUE);
    oneValueAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

    oneValueAccumulator = new PairedStatsAccumulator();
    oneValueAccumulator.add(ONE_VALUE, OTHER_ONE_VALUE);

    oneValueAccumulatorByAddAllEmptyPairedStats = new PairedStatsAccumulator();
    oneValueAccumulatorByAddAllEmptyPairedStats.add(ONE_VALUE, OTHER_ONE_VALUE);
    oneValueAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

     * Cache#invalidate invalidations}.
     */
    void recordEviction();

    /**
     * Returns a snapshot of this counter's values. Note that this may be an inconsistent view, as
     * it may be interleaved with update operations.
     */
    CacheStats snapshot();
  }

  /**
   * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
   *

    }

    protected String resolveVersion(Artifact artifact, RepositoryRequest request)
            throws RepositoryMetadataResolutionException {
        RepositoryMetadata metadata;
        // Don't use snapshot metadata for LATEST (which isSnapshot returns true for)
        if (!artifact.isSnapshot() || Artifact.LATEST_VERSION.equals(artifact.getBaseVersion())) {
            metadata = new ArtifactRepositoryMetadata(artifact);

    synchronized (lock) {
      list.clear();
    }
  }

  /** Returns a snapshot of the logged records. */
  /*
   * TODO(cpovirk): consider higher-level APIs here (say, assertNoRecordsLogged(),
   * getOnlyRecordLogged(), getAndClearLogRecords()...)
   *
   * TODO(cpovirk): consider renaming this method to reflect that it takes a snapshot (and/or return
   * an ImmutableList)
   */
  public List<LogRecord> getStoredLogRecords() {

        requestB.addRepository(newTestRepository());
        Artifact artifactB =
                new DefaultArtifact("org.apache.maven.its", "dep-mng5324", "classifierB", "jar", "07.20.3-SNAPSHOT");
        requestB.setArtifact(artifactB);

        VersionResult resultB = versionResolver.resolveVersion(session, requestB);
        assertEquals("07.20.3-20120809.112920-97", resultB.getVersion());

 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultModelVersionParser implements ModelVersionParser {
    private static final String SNAPSHOT = "SNAPSHOT";
    private static final Pattern SNAPSHOT_TIMESTAMP = Pattern.compile("^(.*-)?([0-9]{8}\\.[0-9]{6}-[0-9]+)$");
    private final VersionScheme versionScheme;

    @Inject

     * Cache#invalidate invalidations}.
     */
    void recordEviction();

    /**
     * Returns a snapshot of this counter's values. Note that this may be an inconsistent view, as
     * it may be interleaved with update operations.
     */
    CacheStats snapshot();
  }

  /**
   * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
   *

@DisableCachingByDefault(because = "Not worth caching")
abstract class UpdateInitPluginTemplateVersionFile : DefaultTask() {

    private
    val devSuffixes = arrayOf(
        "-SNAP\\d+",
        "-SNAPSHOT",
        "-alpha.*\\d+",
        "-beta.*\\d+",
        "-dev-?\\d+",
        "-dev-\\d+-\\d+",
        "-rc-?\\d+",
        "-M.+",
        "-eap-?\\d+"
    ).map { it.toRegex(RegexOption.IGNORE_CASE) }

     * 1. 1.2.7 == 1.2.7
     *    1.2.7 > 1.2-SNAPSHOT
     * 2. 1.2-SNAPSHOT == 1.2-snapshot
     * </pre>
     *
     * @param args the version strings to parse and compare. You can pass arbitrary number of version strings and always
     *             two adjacent will be compared.
     */
    // CHECKSTYLE_ON: LineLength
    public static void main(String... args) {