{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"enter_wf_checking_ctxt(tcx,"}]}
    enter_wf_checking_ctxt(tcx, item_id, |wfcx| {
    let loc = Some(WellFormedLoc::Ty(item_id));
        let item = tcx.associated_item(item_id);