{ "textDocument": { "uri": "file:///a/file.ts" }, "range": { "start": { "line": 3, "character": 5 }, "end": { "line": 3, "character": 15 } }, "context": { "diagnostics": [ { "range": { "start": { "line": 3, "character": 5 }, "end": { "line": 3, "character": 15 } }, "severity": 1, "code": "prefer-const", "source": "deno-lint", "message": "'snake_case' is never reassigned\nUse 'const' instead", "relatedInformation": [] } ], "only": [ "quickfix" ] } }