api/src/main/java/org/ocpsoft/rewrite/param/ParameterizedPatternSyntaxException.java
@Override
   public String getMessage()
   {
      String nl = System.getProperty("line.separator");
      StringBuffer sb = new StringBuffer();
      sb.append(message);
      if (index >= 0) {
         sb.append(" near index ");
         sb.append(index);
      }
      sb.append(nl);
      sb.append(pattern);
      if (index >= 0) {
         sb.append(nl);
         for (int i = 0; i < index; i++)
            sb.append(' ');
         sb.append('^');
      }
      return sb.toString();
   }
@Override
   public String getMessage()
   {
      String nl = System.getProperty("line.separator");
      StringBuffer sb = new StringBuffer();
      sb.append(message);
      if (index >= 0) {
         sb.append(" near index ");
         sb.append(index);
      }
      sb.append(nl);
      sb.append(pattern);
      if (index >= 0) {
         sb.append(nl);
         for (int i = 0; i < index; i++)
            sb.append(' ');
         sb.append('^');
      }
      return sb.toString();
   }
Returns a string containing the description of the syntax error and its location, the erroneous parameterized
pattern string, and a visual location of the error index within the pattern (if possible.)