syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet: pub type FnSig<'tcx> = ir::FnSig<TyCtxt<'tcx>>;
context_before: pub type AliasTy<'tcx> = ir::AliasTy<TyCtxt<'tcx>>;
context_after: pub type Binder<'tcx, T> = ir::Binder<TyCtxt<'tcx>, T>;