Method: IF_BS_CONTEXT_HISTORICAL~BACK
Method: IF_BS_CONTEXT_HISTORICAL~FORWARD
Method: CONSTRUCTOR
Method: IF_BS_CONTEXT_HISTORICAL~MEMORIZE
Method: POP
Method: PEEK
Method: PUSH
Method: CLEAR
Method: BACK
Method: FORWARD
Method: GET_CURRENT
Method: GET_ACTUAL_SIZE
Method: SWEEP