public static final String DATE_FORMAT_ISO_8601_EXTEND_UTC = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public static final String DATE_FORMAT_DIGIT_ONLY = "yyyyMMddHHmmss";

    protected CoreLibConstants() {
    }

          <type>String</type>
          <description>When the metadata was last updated (both "groupId/artifactId" and "groupId/artifactId/version" directories). The timestamp is expressed using UTC in the format yyyyMMddHHmmss.</description>
        </field>
        <field xdoc.separator="blank">
          <name>snapshot</name>
          <version>1.0.0+</version>
          <association>
            <type>Snapshot</type>

    static final String MAVEN_METADATA_XML = "maven-metadata.xml";

    static DateFormat fmt;

    static {
        TimeZone timezone = TimeZone.getTimeZone("UTC");
        fmt = new SimpleDateFormat("yyyyMMddHHmmss");
        fmt.setTimeZone(timezone);
    }

    protected Metadata metadata;

    private final Path path;

    protected final Date timestamp;

    private boolean merged;

    @Deprecated