{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"self.types_map_back.get(id).cloned().ok_or(SyntheticSyntax)"}]}
        self.types_map_back.get(id).cloned().ok_or(SyntheticSyntax)
    pub fn type_syntax(&self, id: TypeRefId) -> Result<TypeSource, SyntheticSyntax> {
    }