{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"trait_ref.trait_ref.path.segments.last()"}]}
                        trait_ref.trait_ref.path.segments.last()
                    && let Some(hir::PathSegment { args: Some(generic_args), .. }) =
                    && let [constraint] = generic_args.constraints