{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"cx:"}]}
    cx: &RustcPatCtxt<'p, 'tcx>,
fn collect_nonexhaustive_missing_variants<'p, 'tcx>(
    column: &PatternColumn<'p, RustcPatCtxt<'p, 'tcx>>,