protected ReplacedElement lookupImageReplacedElement(Element e){
  if (imageComponents.size() == 0) {
    return null;
  }
  ReplacedElement replacedElement=(ReplacedElement)imageComponents.get(e);
  return replacedElement;
}

protected ReplacedElement lookupImageReplacedElement ( Element e ) { if ( imageComponents . size ( ) == 0 ) { return null ; } ReplacedElement replacedElement = ( ReplacedElement ) imageComponents . get ( e ) ; return replacedElement ; }
retrieves a replacedelement for an image from cache , or null if not found .
