[{"constraints": [{"description": "40 megabytes of RAM", "att_class": "RESOURCE CONSTRAINTS"}, {"description": "single user", "att_class": "CAPACITY"}], "obj_metric_pairs": [{"obj": "framework", "metric": {"description": "?", "att_class": "TIME BEHAVIOR"}}], "errors": ["unquantified constraint [single user]]", "unquantified metric [?]]"]}, {"constraints": [{"description": "40 megabytes of RAM", "att_class": "RESOURCE CONSTRAINTS"}], "obj_metric_pairs": [{"obj": "framework", "metric": {"description": "?", "att_class": "TIME BEHAVIOR"}}], "errors": ["missing capacity", "unquantified metric [?]]"]}, {"constraints": [{"description": "single user", "att_class": "CAPACITY"}], "obj_metric_pairs": [{"obj": "framework", "metric": {"description": "?", "att_class": "TIME BEHAVIOR"}}], "errors": ["unquantified constraint [single user]]", "missing resource", "unquantified metric [?]]"]}]