{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"#[salsa::invoke(macro_def)]"}]}
    #[salsa::invoke(macro_def)]
    /// Turns a MacroId into a MacroDefId, describing the macro's definition post name resolution.
    fn macro_def(&self, m: MacroId) -> MacroDefId;