{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"hir::Node::GenericParam(hir::GenericParam"}]}
        hir::Node::GenericParam(hir::GenericParam {
    let default_ct = match tcx.hir_node_by_def_id(def_id) {
            kind: hir::GenericParamKind::Const { default: Some(ct), .. },