{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"hir_def::ItemContainerId::ExternBlockId(block)"}]}
            hir_def::ItemContainerId::ExternBlockId(block) => block.abi(self.db) == Some(sym::C),
        let is_extern_c = match def.lookup(self.db).container {
            _ => false,