bring back and deprecate linkCollTypeName and linkTypeName

Author: m-fila

include/podio/detail/LinkCollectionImpl.h

@@ -405,7 +405,27 @@ void to_json(nlohmann::json& j, const podio::LinkCollection<FromT, ToT>& collect
   }
 }
 #endif
+namespace detail {
+  /// Get the collection type name for a LinkCollection
+  ///
+  /// @tparam FromT the From type of the link
+  /// @tparam ToT the To type of the link
+  /// @returns a type string that is a valid c++ template instantiation
+  template <typename FromT, typename ToT>
+  [[deprecated("Use LinkCollection<FromT, ToT>::typeName instead")]] inline const std::string_view linkCollTypeName() {
+    return LinkCollection<FromT, ToT>::typeName;
+  }
 
+  /// Get the value type name for a LinkCollection
+  ///
+  /// @tparam FromT the From type of the link
+  /// @tparam ToT the To type of the link
+  /// @returns a type string that is a valid c++ template instantiation
+  template <typename FromT, typename ToT>
+  [[deprecated("Use LinkCollection<FromT, ToT>::valueTypeName instead")]] inline const std::string_view linkTypeName() {
+    return LinkCollection<FromT, ToT>::valueTypeName;
+  }
+} // namespace detail
 } // namespace podio
 
 #endif // PODIO_DETAIL_LINKCOLLECTIONIMPL_H