{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
        let in_deps = self.db.trait_impls_in_deps(self.krate);
        // `impl_datum` relies on that and will panic if the trait can't be resolved.
        let in_self = self.db.trait_impls_in_crate(self.krate);