{"ast_node_type":"struct","tokens":[{"end":43,"kind":"keyword","start":0,"text":"pub(crate)"}]}
pub(crate) struct LatticeOp<'infcx, 'tcx> {
/// A greatest lower bound" (common subtype) or least upper bound (common supertype).
    infcx: &'infcx InferCtxt<'tcx>,