{"ast_node_type":"function","tokens":[{"end":67,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn feed_owner_id(&self) -> TyCtxtFeed<'tcx, hir::OwnerId> {
    // Caller must ensure that `self.key` ID is indeed an owner.
        TyCtxtFeed { tcx: self.tcx, key: hir::OwnerId { def_id: self.key } }