{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
        let skip = if db.function_signature(self.id).has_self_param() { 1 } else { 0 };
        let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs);
        callable_sig