ServiceExtractor# struct ServiceExtractor# Public Functions template<class S, class = std::enable_if_t<!std::is_null_pointer_v<S> && !details::IsInitializerListV<S>>>inline operator S()# template<class S, class = std::enable_if_t<!std::is_const_v<S> && !std::is_null_pointer_v<S> && !details::IsInitializerListV<S>>>inline operator S&() const# Public Members ServiceProvider &provider#