1{
 2    "problemMatcher": [
 3        {
 4            "owner": "docsgen",
 5            "pattern": [
 6                {
 7                    "regexp": "^!! (WARNING|ERROR) at ([^:]+:\\d+: .*[^:])$",
 8                    "severity": 1,
 9                    "message": 2
10                }
11            ]
12        }
13    ]
14}