private final Map<Object, RemoteSnapshotMetadata> snapshots;

    private final Date timestamp;

    private final Integer buildNumber;

    RemoteSnapshotMetadataGenerator(RepositorySystemSession session, DeployRequest request) {
        timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");
        Object bn = ConfigUtils.getObject(session, null, "maven.buildNumber");

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.impl.model;

import java.text.SimpleDateFormat;
import java.time.Instant;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Map;
import java.util.Properties;
import java.util.TimeZone;

/**
 * MavenBuildTimestamp
 */
public class MavenBuildTimestamp {

import javax.inject.Singleton;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

    private final Map<Object, LocalSnapshotMetadata> snapshots;

    private final Date timestamp;

    LocalSnapshotMetadataGenerator(RepositorySystemSession session, InstallRequest request) {
        timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");

        snapshots = new LinkedHashMap<>();
    }

    @Override

    private final Path path;

    protected final Date timestamp;

    private boolean merged;

    @Deprecated
    protected MavenMetadata(Metadata metadata, File file, Date timestamp) {
        this(metadata, file != null ? file.toPath() : null, timestamp);
    }

    protected MavenMetadata(Metadata metadata, Path path, Date timestamp) {
        this.metadata = metadata;
        this.path = path;

    private final Collection<Artifact> artifacts = new ArrayList<>();

    LocalSnapshotMetadata(Artifact artifact, Date timestamp) {
        super(createMetadata(artifact), (Path) null, timestamp);
    }

    LocalSnapshotMetadata(Metadata metadata, Path path, Date timestamp) {
        super(metadata, path, timestamp);
    }

    private static Metadata createMetadata(Artifact artifact) {

    private String resumeFrom;

    private String makeBehavior;

    private Properties systemProperties;

    private Properties userProperties;

    private Date startTime = new Date();

    private boolean showErrors = false;

    private TransferListener transferListener;

    private int loggingLevel = LOGGING_LEVEL_INFO;

    private String globalChecksumPolicy;

    {
        setLastUpdatedTimestamp( new java.util.Date() );
    }

    public void setLastUpdatedTimestamp( java.util.Date date )
    {
        java.util.TimeZone timezone = java.util.TimeZone.getTimeZone( "UTC" );
        java.text.DateFormat fmt = new java.text.SimpleDateFormat( "yyyyMMddHHmmss" );
        fmt.setTimeZone( timezone );
        setLastUpdated( fmt.format( date ) );
    }
          ]]></code>

    /**
     * @deprecated use {@link #getTopDirectory()} instead
     */
    @Deprecated
    String getBaseDirectory();

    // Timing (remove this)
    MavenExecutionRequest setStartTime(Date start);

    Date getStartTime();

    // Goals
    MavenExecutionRequest setGoals(List<String> goals);

    List<String> getGoals();

    // Properties

    /**

        versions = new LinkedHashMap<>();
        processedVersions = new LinkedHashMap<>();
        timestamp = (Date) ConfigUtils.getObject(session, new Date(), "maven.startTime");

        /*
         * NOTE: This should be considered a quirk to support interop with Maven's legacy ArtifactDeployer which