{ "jsonrpc": "2.0", "method": "textDocument/didChange", "params": { "textDocument": { "uri": "file:///a/file.ts", "version": 2 }, "contentChanges": [ { "range": { "start": { "line": 477, "character": 4 }, "end": { "line": 477, "character": 9 } }, "text": "error" } ] } }