syntax_data: {"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"#[allow(rustc::usage_of_ty_tykind)]"}]}
source_snippet:     #[allow(rustc::usage_of_ty_tykind)]
context_after:     pub fn for_kind(kind: &ty::TyKind<I>) -> FlagComputation<I> {