{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"expr.span.is_desugaring(DesugaringKind::TryBlock)"}]}
                expr.span.is_desugaring(DesugaringKind::TryBlock)
            ExprKind::Call(_, [arg]) => {
                    && arg.span.is_desugaring(DesugaringKind::TryBlock)