{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
            let exported_ambiguities = self.tcx.sess.time("compute_effective_visibilities", || {
            self.tcx.sess.time("finalize_imports", || self.finalize_imports());
                EffectiveVisibilitiesVisitor::compute_effective_visibilities(self, krate)