/// \brief Gets any type of DocEntry, identified by its (group,elem)
virtual DocEntry *GetDocEntry(uint16_t group, uint16_t elem) = 0;
/// \brief Gets a ValEntry, identified by its (group, elem)
/// \brief Gets any type of DocEntry, identified by its (group,elem)
virtual DocEntry *GetDocEntry(uint16_t group, uint16_t elem) = 0;
/// \brief Gets a ValEntry, identified by its (group, elem)