{"jsonrpc":"2.0","id":102,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file:///fixture.cpp"},"range":{"start":{"line":0,"character":0},"end":{"line":0,"character":10}},"context":{"diagnostics":[{"range":{"start":{"line":0,"character":0},"end":{"line":0,"character":10}},"message":"unused variable","severity":2,"code":"unused"}]}}}