{"ast_node_type":"function","tokens":[{"end":83,"kind":"keyword","start":0,"text":"fn"}]}
    fn construct_dep_node(self, tcx: Qcx::DepContext, key: &Self::Key) -> DepNode {
    // Just here for convenience and checking that the key matches the kind, don't override this.
        DepNode::construct(tcx, self.dep_kind(), key)