syntax_data: {"ast_node_type":"other","tokens":[{"end":5,"kind":"keyword","start":0,"text":"where"}]}
source_snippet: where
context_before: impl<T> rustc_type_ir::ir_print::IrPrint<T> for TyCtxt<'_>
context_after:     T: Copy + for<'a, 'tcx> Lift<TyCtxt<'tcx>, Lifted: Print<'tcx, FmtPrinter<'a, 'tcx>>>,