try {
            handshake();
        } catch (IOException ex) { }
        return connection.getExpiration();
    }

    public long getDate() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getDate();
    }

    public long getLastModified() {
        try {
            handshake();
        } catch (IOException ex) { }

        }

        public String getId() {
            return id;
        }

        public String getBranch() {
            return branch;
        }

        public String getDate() {
            return date;
        }

        public List<String> getCommits() {
            return commits;
        }
    }

    static class BackgroundColor {

                }

                @Override
                File getFile() {
                    return new File("customArtifact.jar")
                }

                @Override
                Date getDate() {
                    return new Date()
                }

                @Override
                TaskDependency getBuildDependencies() {
                    return new TaskDependency() {

    @Override
    public long getExpiration () {
        handshake();
        return this.connection.getExpiration();
    }


    @Override
    public long getDate () {
        handshake();
        return this.connection.getDate();
    }


    @Override
    public long getLastModified () {
        handshake();
        return this.connection.getLastModified();
    }

			schema: schemas(dateFormat, dateFormat),
			expectCost: map[string]int64{
				ValsEqualThemselvesAndDataLiteral("self.val1", "self.val2", "timestamp('1997-07-16T00:00:00.000Z')"): 11,
				"self.val1.getDate() == 16":                    4,
				"type(self.val1) == google.protobuf.Timestamp": 4,
			},
		},
		{name: "date-time format",

			schema: schemas(dateFormat, dateFormat),
			valid: []string{
				ValsEqualThemselvesAndDataLiteral("self.val1", "self.val2", "timestamp('1997-07-16T00:00:00.000Z')"),
				"self.val1.getDate() == 16",
				"self.val1.getMonth() == 06", // zero based indexing
				"self.val1.getFullYear() == 1997",
				"type(self.val1) == google.protobuf.Timestamp",
			},
		},
		{name: "date-time format",

     *
     * @return the last modified data as milliseconds since Jan 1, 1970
     */
    @Override
    public long getDate () {
        try {
            return lastModified();
        }
        catch ( SmbException se ) {
            log.debug("getDate", se);
        }
        return 0L;
    }


    /**

  }

  @Test
  fun headers() {
    var headers: Headers = headersOf("", "")
    headers = mapOf("" to "").toHeaders()
    val get: String? = headers[""]
    val date: Date? = headers.getDate("")
    val instant: Instant? = headers.getInstant("")
    val size: Int = headers.size
    val name: String = headers.name(0)
    val value: String = headers.value(0)
    val names: Set<String> = headers.names()

/**
 * Set the last modified time of the file. The time is specified as milliseconds
 * from Jan 1, 1970 which is the same as that which is returned by the
 * <tt>lastModified()</tt>, <tt>getLastModified()</tt>, and <tt>getDate()</tt> methods.
 * <p/>
 * This method does not apply to workgroups, servers, or shares.
 *
 * @param time the last modified time as milliseconds since Jan 1, 1970
 */

    auto indices_ty =
        mlir::dyn_cast<RankedTensorType>(op.getIndices().getType());
    auto updates_ty =
        mlir::dyn_cast<RankedTensorType>(op.getUpdates().getType());

    if (!tensor_ty || !indices_ty || !updates_ty) return failure();
    // Last dimension of the indices needs to known at compile time for