syntax_data: {"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"collector.visit_body(body);"}]}
source_snippet:     collector.visit_body(body);
context_before:         NestedBodiesVisitor { tcx, root_def_id: item.to_def_id(), nested_bodies: vec![] };
context_after:     tcx.mk_local_def_ids(&collector.nested_bodies)