syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"GenericParamDefKind::Lifetime"}]}
source_snippet:             GenericParamDefKind::Lifetime | GenericParamDefKind::Const { .. } => bug!(),
context_before:         let args = GenericArgs::for_item(tcx, wrapper_def_id, |param, args| match param.kind {
context_after:             GenericParamDefKind::Type { has_default, .. } => {