Method: GET_PERSISTENT_BOL_KEY
Method: BUILD_OTHER_HISTORIC_COLL
Method: CONVERT_BOL_TO_BOR
Method: GET_BOR_IDENTIFIER
Method: BUILD_HISTORIC_COLLECTION
Method: CONVERT_BOR_TO_BOL
Method: ON_INTERACTION_STARTED
Method: SET_ROOT_FOR_LINKING
Method: CREATE_BO_LINKS