return idx < expression.length() ? expression.charAt(idx++) : EOF;
        }

        public String nextToken(char delimiter) {
            int start = idx;

            while (idx < expression.length() && delimiter != expression.charAt(idx)) {
                idx++;
            }

            // delimiter MUST be present
            if (idx <= start || idx >= expression.length()) {
                return null;
            }

        /** Stores if the properties are typed or not */
        Boolean typed;

        /**
         * Creates a new instance of <code>PropertiesReader</code> and sets
         * the underlaying reader and the list delimiter.
         *
         * @param reader the reader
         */
        public PropertiesReader(Reader reader, boolean maybeTyped) {
            super(reader);
            commentLines = new ArrayList<>();

                .build());
        options.addOption(Option.builder(Character.toString(ACTIVATE_PROFILES))
                .longOpt("activate-profiles")
                .desc(
                        "Comma-delimited list of profiles to activate. Prefixing a profile with ! excludes it, and ? marks it as optional")
                .hasArg()
                .build());
        options.addOption(Option.builder(Character.toString(BATCH_MODE))

                    .build());
            options.addOption(Option.builder(ACTIVATE_PROFILES)
                    .longOpt("activate-profiles")
                    .desc(
                            "Comma-delimited list of profiles to activate. Prefixing a profile with ! excludes it, and ? marks it as optional")
                    .hasArg()
                    .build());

          <required>true</required>
        </field>
        <field>
          <name>nonProxyHosts</name>
          <version>1.0.0+</version>
          <description>
            The list of non-proxied hosts (delimited by {@code |}).
          </description>
          <type>String</type>
        </field>
      </fields>
      <codeSegments>
        <codeSegment>
          <version>1.0.0/1.3.0</version>
          <code>