syntax_data: {"ast_node_type":"other","tokens":[{"end":110,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:             && generics.own_params.iter().all(|param| matches!(param.kind, ty::GenericParamDefKind::Lifetime))
context_before:             // FIXME(return_type_notation): We only support lifetime params for now.
context_after:         {