case classSimpleExtractor[C, +A](cssQuery: String, contentExtractor: (ElementQuery) ⇒ C, contentParser: (C) ⇒ A) extends HtmlExtractor[A] with Product with Serializable
case classSimpleValidator[A, +R](htmlExtractor: HtmlExtractor[A], matcher: (A) ⇒ Boolean, result: Option[R] = None) extends HtmlValidator[R] with Product with Serializable