Method: GET_NEXT_KEY
Method: BUILD_SYSTEM_ENTRY
Method: BUILD_INITIAL_NODE_TABLE
Method: BUILD_REQUESTOR_ENTRY
Method: GET_SUB_SCREEN_INFO
Method: PROCESS_AFTER_INPUT
Method: FREE
Method: BUILD_REPL_UNIT_ENTRY
Method: CONSTRUCTOR
Method: PROCESS_SELECTION_CHANGED
Method: GET_SELECTED_QUERY