webXmlDocument = builder.parse(file);
            }
        }
    }

    @Test
    public void test_webXmlExists() {
        assertNotNull(webXmlDocument, "web.xml should be parseable");
    }

    @Test
    public void test_servletVersion() {
        if (webXmlDocument == null) {
            return;
        }
        final Element root = webXmlDocument.getDocumentElement();

            }
        } catch (SettingsParseException e) {
            problems.add(
                    SettingsProblem.Severity.FATAL,
                    "Non-parseable settings " + settingsSource.getLocation() + ": " + e.getMessage(),
                    e.getLineNumber(),
                    e.getColumnNumber(),
                    e);
            return new Settings();

            }
        } catch (ToolchainsParseException e) {
            problems.add(
                    Problem.Severity.FATAL,
                    "Non-parseable toolchains " + toolchainsSource.getLocation() + ": " + e.getMessage(),
                    e.getLineNumber(),
                    e.getColumnNumber(),
                    e);
            return new PersistedToolchains();

  // device name such as "/job:localhost/replica:0/task:0/device:GPU:1".
  virtual const string& DeviceName() const = 0;

  // Sets the operation device name.
  //
  // The given `name` must be parseable by DeviceNameUtils::ParseFullName, and
  // the result will be used as a constraint for device placement. See the
  // documentation for DeviceName for more details.
  //

        """
        try:
            return cls(root_name, cElementTree.fromstring(data))
        except _ETREE_EXCEPTIONS as error:
            raise InvalidXMLError(
                '"{}" XML is not parsable. Message: {}'.format(
                    root_name, error.message
                )
            )

    def findall(self, name):
        """Similar to ElementTree.Element.findall()

        """

  /**
   * 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
   */
  public static UnsignedInteger valueOf(String string) {
    return valueOf(string, 10);
  }

  /**

  /**
   * 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
   */
  @CanIgnoreReturnValue
  public static UnsignedLong valueOf(String string) {
    return valueOf(string, 10);
  }

  /**