syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"GenericArgKind::Lifetime(_)"}]}
source_snippet:             GenericArgKind::Lifetime(_) => print_regions,
context_before:         let args = args.iter().cloned().filter(|arg| match arg.kind() {
context_after:             _ => true,