return attributes;
        }

        /**
         * Gets the creation timestamp of this cached item
         * @return the creation time
         */
        public long getCreationTime() {
            return creationTime;
        }

        /**
         * Gets the last access timestamp of this cached item
         * @return the last access time
         */

class VersionsMetadataGenerator implements MetadataGenerator {

    private final Map<Object, VersionsMetadata> versions;

    private final Map<Object, VersionsMetadata> processedVersions;

    private final Date timestamp;

    VersionsMetadataGenerator(RepositorySystemSession session, InstallRequest request) {
        this(session, request.getMetadata());
    }

        dictionaryManager.addCreator(this);
    }

    @Override
    protected DictionaryFile<? extends DictionaryItem> newDictionaryFile(final String id, final String path, final Date timestamp) {
        return new CharMappingFile(id, path, timestamp).manager(dictionaryManager);
    }

     */
    public void setSearchQuery(final String searchQuery) {
        this.searchQuery = searchQuery;
    }

    /**
     * Sets the timestamp when the search request was made.
     *
     * @param requestedTime The request timestamp
     */
    public void setRequestedTime(final long requestedTime) {
        this.requestedTime = requestedTime;
    }

    /**

        }
    }

    /**
     * Returns the user's logon time.
     * @return the logon timestamp
     */
    public Date getLogonTime() {
        return this.logonTime;
    }

    /**
     * Returns the user's logoff time.
     * @return the logoff timestamp
     */
    public Date getLogoffTime() {
        return this.logoffTime;
    }

    /**

     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**
     * Gets the timestamp when the transfer of this artifact was started.
     *
     * @return The timestamp when the transfer of this artifact was started.
     */
    long getTransferStartTime();

    static final String SNAPSHOT = "SNAPSHOT";

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

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

    protected static Metadata createRepositoryMetadata(Artifact artifact) {
        Metadata metadata = new Metadata();
        metadata.setModelVersion("1.1.0");

        final String k = "timestamp";
        assertEquals("", getAsQuery(Collections.singletonMap(k, new String[] { "" })));
        assertEquals("timestamp:2023-01-01", getAsQuery(Collections.singletonMap(k, new String[] { "2023-01-01" })));
        assertEquals("timestamp:2023-12-31", getAsQuery(Collections.singletonMap(k, new String[] { " 2023-12-31 " })));
        assertEquals("timestamp:2023-01-01 timestamp:2023-12-31",

        return System.currentTimeMillis() - lastHeartbeat > timeoutMs;
    }

    // Getters and setters

    /**
     * Gets the last heartbeat timestamp.
     *
     * @return the last heartbeat timestamp in milliseconds
     */
    public long getLastHeartbeat() {
        return lastHeartbeat;
    }

    /**
     * Gets the registration ID.
     *

	}

	ts, err := d.Timestamp.evalNode(r, tableAlias)
	if err != nil {
		return nil, err
	}
	if err = inferTypeAsTimestamp(ts); err != nil {
		return nil, err
	}
	t, ok := ts.ToTimestamp()
	if !ok {
		return nil, fmt.Errorf("%s() expects a timestamp argument", sqlFnDateAdd)
	}

	return dateAdd(strings.ToUpper(d.DatePart), qty, t)
}