* @throws IOException if an I/O error occurs
     */
    @Override
    public int available() throws IOException {
        return inputStream.available();
    }

    /**
     * Indicates whether some other object is equal to this one.
     *
     * @param obj the reference object with which to compare
     * @return true if this object is the same as the obj argument; false otherwise
     */
    @Override

    }

    /**
     * Test register method with index 0
     */
    public void test_register_indexZero() {
        testRule.setRuleId("rule1");

        // Pre-add some rules
        TestAbstractRule existingRule = new TestAbstractRule();
        existingRule.setRuleId("existing");
        ruleManager.addRule(existingRule);

        // Register at index 0

            if (responseData == null) {
                return null;
            }

            ResultData resultData = new ResultData();
            resultData.setTransformerName(name);
            // Store some dummy data
            resultData.setData("test data".getBytes());

            return resultData;
        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {

  
  <mime-type type="image/x-tga">
     <alias type="image/x-targa"/>
     <!-- trailer bytes: 54 52 55 45 56 49 53 49 4F 4E 2D 58 46 49 4C 45 2E 00
          trailer as string: TRUEVISION-XFILE\\x2E\\x00
          Some .tga files may be conflicting with application/x-123 recognition, 
          therefore this mime-type must be set in front of application/x-123 -->
     <_comment>Targa image data</_comment>
     <magic priority="90">