{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"matches!(self.def_kind(def_id.into()),"}]}
        matches!(self.def_kind(def_id.into()), DefKind::SyntheticCoroutineBody)
    pub fn is_synthetic_mir(self, def_id: impl Into<DefId>) -> bool {
    }