if signature {
		if errCode := doesSignatureMatch(unsignedPayloadTrailer, req, globalSite.Region(), serviceS3); errCode != ErrNone {
			return nil, errCode
		}
	}
	if trailer {
		// Discard anything unsigned.
		req.Trailer = make(http.Header)
		trailers := req.Header.Values(awsTrailerHeader)
		for _, key := range trailers {
			req.Trailer.Add(key, "")
		}
	} else {
		req.Trailer = nil
	}

 * {@code String} and a {@code String} to a {@code long} that treat the {@code long} as an unsigned
 * number.
 *
 * <p>Users of these utilities must be <i>extremely careful</i> not to mix up signed and unsigned
 * {@code long} values. When possible, it is recommended that the {@link UnsignedLong} wrapper class
 * be used, at a small efficiency penalty, to enforce the distinction in the type system.
 *
 * <p>See the Guava User Guide article on <a

   * 0} and {@code 2^32 - 1} inclusive.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Integer#compareUnsigned(int, int)} method instead.
   *
   * @param a the first unsigned {@code int} to compare
   * @param b the second unsigned {@code int} to compare

        // Test with max int value (unsigned interpretation)
        buffer.putInt(0, 0xFFFFFFFF);
        assertEquals(0xFFFFFFFF, NtlmMessage.readULong(data, 0), "Should read max ULong correctly.");

        // Test with a negative int (should be interpreted as unsigned positive)
        buffer.putInt(0, -1); // -1 is 0xFFFFFFFF

        "value (%s) is outside the range for an unsigned integer value",
        value);
    return fromIntBits(value.intValue());
  }

  /**
   * Returns an {@code UnsignedInteger} holding the value of the specified {@code String}, parsed as
   * an unsigned {@code int} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code int}
   *     value
   */

        "value (%s) is outside the range for an unsigned long value",
        value);
    return fromLongBits(value.longValue());
  }

  /**
   * Returns an {@code UnsignedLong} holding the value of the specified {@code String}, parsed as an
   * unsigned {@code long} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code long}
   *     value
   */

  }
}

unsigned char TF_SetXlaEnableLazyCompilation(unsigned char enable) {
  tensorflow::BuildXlaOpsPassFlags* flags =
      tensorflow::GetBuildXlaOpsPassFlags();
  bool original = flags->tf_xla_enable_lazy_compilation;
  flags->tf_xla_enable_lazy_compilation = enable;
  return original;
}

unsigned char TF_SetTfXlaCpuGlobalJit(unsigned char enable) {

   * is unsigned, so the range of possible returned values is 0–255 or 0–65535, respectively.
   */
  static int tableGet(Object table, int index) {
    if (table instanceof byte[]) {
      return ((byte[]) table)[index] & BYTE_MASK; // unsigned read
    } else if (table instanceof short[]) {
      return ((short[]) table)[index] & SHORT_MASK; // unsigned read
    } else {

   * is unsigned, so the range of possible returned values is 0–255 or 0–65535, respectively.
   */
  static int tableGet(Object table, int index) {
    if (table instanceof byte[]) {
      return ((byte[]) table)[index] & BYTE_MASK; // unsigned read
    } else if (table instanceof short[]) {
      return ((short[]) table)[index] & SHORT_MASK; // unsigned read
    } else {

    }

    /**
     * Reads an unsigned byte value.
     * @return the unsigned byte value as an integer
     * @throws IOException if an I/O error occurs
     */
    public int readUnsignedByte() throws IOException {
        return readByte() & 0xff;
    }

    /**
     * Reads an unsigned 32-bit integer value.
     * @return the unsigned integer value as a long