/**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.
   */
  fun getDate(name: String): Date? = get(name)?.toHttpDateOrNull()

  /**
   * Returns the last value corresponding to the specified field parsed as an HTTP date, or null if
   * either the field is absent or cannot be parsed as a date.

                }
                @Override
                File getFile() {
                    return new File("customArtifact.jar")
                }
                @Override
                Date getDate() {
                    return new Date()
                }
                @Override
                TaskDependency getBuildDependencies() {
                    return new TaskDependency() {

    /**
     * The classifier of the signature artifact.
     *
     * @see #getClassifier()
     */
    private String classifier;

    /**
     * The date of the signature artifact.
     *
     * @see #getDate()
     */
    private Date date;

    private Callable<File> toSignGenerator;

    private Callable<String> classifierGenerator;

    @Nullable
    private Callable<String> nameGenerator;

    /**

      ConversionPatternRewriter& rewriter) const final {
    {
      OperandRange operands = scatter_op.getInputs();
      Value indices = scatter_op.getScatterIndices();
      OperandRange updates = scatter_op.getUpdates();
      if (operands.size() != 1 || updates.size() != 1) return failure();

      ShapedType operand_type = mlir::cast<ShapedType>(operands[0].getType());

        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) { }

                }

                @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();
    }

  }

  @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()