Method: CLEAR_REFERENCES
Method: GET_DATA
Method: HAS_REFERENCE
Method: GET_REFERENCES
Method: GET_HASH_DEPENDENT
Method: CONSTRUCTOR
Method: ADD_REFERENCES
Method: GET_HASH
Method: GENERATE_RELATIONS
Method: HAS_REFERENCED_DATA
Method: GET_HASH_OF_REFERENCED_DATA
Method: ADD_TABLE
Method: GET_REFERENCES_HASHES
Method: GET_REFERENCED_DATA