{"ast_node_type":"other","tokens":[{"end":118,"kind":"keyword","start":0,"text":"//"}]}
                                        // This check is here to solve https://github.com/rust-lang/rust/issues/137590
                                        // Check if we tried to use a builtin attribute as an attribute namespace, like `#[must_use::skip]`.
                                        // An error is already produced for this case elsewhere