{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"MethodCall(ref"}]}
                    MethodCall(ref call) => (&call.args[..], UnusedDelimsCtx::MethodArg),
                    Call(_, ref args) => (&args[..], UnusedDelimsCtx::FunctionArg),
                    Closure(ref closure)