return directive;
            }
        }
        return null;
    }

    /**
     * Adds a directive to the robots.txt rules.
     * The user-agent pattern in the directive is converted to a regular expression pattern,
     * where '*' is replaced with '.*' for pattern matching, and stored case-insensitively.
     *
     * @param directive The directive to add to the robots.txt rules
     */

        assertArrayEquals(new String[] { "reading1" }, itemReadings[0]);
    }

    @Test
    public void testToSuggestItemWithNullTagsAndRoles() {
        // Test toSuggestItem when tags and roles are null (converted to empty lists)
        String word = "null tags and roles";
        float boost = 1.0f;
        List<String> readings = Arrays.asList("reading1");
        List<String> fields = Arrays.asList("field1");

    }

    /**
     * Converts child URLs using the URL convert helper.
     *
     * @param requestDataList the list of request data to convert
     * @return the converted list of request data
     */
    protected List<RequestData> convertChildUrlList(final List<RequestData> requestDataList) {
        try {

  </mime-type>

  <mime-type type="application/mac-binhex40">
    <alias type="application/mac-binhex"/>
    <alias type="application/binhex"/>
    <magic priority="50">
      <match value="must be converted with BinHex" type="string" offset="11"/>
    </magic>
    <glob pattern="*.hqx"/>
  </mime-type>

  <mime-type type="application/mac-compactpro">
    <glob pattern="*.cpt"/>
  </mime-type>