syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
source_snippet: impl<'tcx> TryNormalizeAfterErasingRegionsFolder<'tcx> {
context_after:     fn new(tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> Self {