+ @Query
+ Optional<List<FnSharedContext>> getByContextId(@Param("contextId") final String contextId);
+ @Query
+ Optional<List<FnSharedContext>> getByContextIdAndCkey(@Param("contextId") final String contextId, @Param("ckey") final String ckey);
+ @Query
+ void deleteByCreated(@Param("created") final LocalDateTime created);
+