}

  /** Returns an immutable snapshot of the current statistics. */
  public PairedStats snapshot() {
    return new PairedStats(xStats.snapshot(), yStats.snapshot(), sumOfProductsOfDeltas);
  }

  /** Returns the number of pairs in the dataset. */
  public long count() {
    return xStats.count();
  }

  /** Returns an immutable snapshot of the statistics on the {@code x} values alone. */

        assertTrue(range.containsVersion(new DefaultArtifactVersion("1.1-SNAPSHOT")));
        assertTrue(range.containsVersion(new DefaultArtifactVersion("1.2-SNAPSHOT")));

        range = VersionRange.createFromVersionSpec("[1.0-SNAPSHOT,1.2]");

        assertTrue(range.containsVersion(new DefaultArtifactVersion("1.0-SNAPSHOT")));

<metadata modelVersion="1.1.0">
  <groupId>org.codelibs.fess</groupId>
  <artifactId>fess-ds-atlassian</artifactId>
  <version>12.2.0-SNAPSHOT</version>
  <versioning>
    <snapshot>
      <timestamp>20180814.210714</timestamp>
      <buildNumber>10</buildNumber>
    </snapshot>
    <lastUpdated>20180814210714</lastUpdated>
    <snapshotVersions>
      <snapshotVersion>
        <extension>jar</extension>

    accumulator.addAll(values);
    return accumulator.snapshot();
  }

  /**
   * Returns statistics over a dataset containing the given values.
   *
   * @param values a series of values
   */
  public static Stats of(double... values) {
    StatsAccumulator accumulator = new StatsAccumulator();
    accumulator.addAll(values);
    return accumulator.snapshot();
  }

  /**

        metadata.setVersioning(versioning);
        return metadata;
    }

    protected static Versioning createVersioning(Snapshot snapshot) {
        Versioning versioning = new Versioning();
        versioning.setSnapshot(snapshot);
        return versioning;
    }

    @Override
    public void setMetadata(Metadata metadata) {
        this.metadata = metadata;
    }

        triggerName = "QuickFeedback",
        cleanCheckout = false,
    ) {
    init {
        id("Promotion_SnapshotFromQuickFeedbackStepCheckReady")
        name = "Nightly Snapshot (from QuickFeedback) - Check Ready"
        description = "Checks that a nightly snapshot can be published from QuickFeedback"
    }

        triggerName = "QuickFeedback",
    ) {
    init {
        id("Promotion_SnapshotFromQuickFeedback")
        name = "Nightly Snapshot (from QuickFeedback)"
        description = "Promotes the latest successful changes on '${branch.branchName}' from Quick Feedback as a new nightly snapshot"
    }

        with:
          # For discussion, see the first setup-java block.
          # The publish-snapshot workflow doesn't run tests, so we don't have to care which version Maven would select for that step.
          java-version: 24
          distribution: 'temurin'
          server-id: sonatype-nexus-snapshots
          server-username: CI_DEPLOY_USERNAME
          server-password: CI_DEPLOY_PASSWORD
          cache: 'maven'

 * @since 4.0.0
 */
@Experimental
@Consumer
public interface VersionResolver extends Service {

    /**
     * Resolves an artifact's meta version (if any) to a concrete version.
     * For example, resolves "1.0-SNAPSHOT" to "1.0-20090208.132618-23".
     *
     * @param session The repository session, must not be {@code null}.

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

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