code: @SuppressWarnings("unchecked" )
    public <E extends IParsedElement> boolean getContainedParsedElementsByType( Class<E> parsedElementType, List<E> listResults )
    {
      return getContainedParsedElementsByTypes( (List<IParsedElement>)listResults, parsedElementType );
    }
docs: Find all the parsed elements of a given type contained within this parsed
  element.
  
  @param parsedElementType The type of parsed element to find.
  @param listResults       A list of all the contained parsed elements matching the
  specified type. Can be null if you are only interested in whether or not
  parsedElementType exists in this element.
  
  @return True iff one or more parseElementType are found.