syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":")"}]}
source_snippet: ) -> Option<ty::EarlyBinder<'tcx, Ty<'tcx>>> {
context_before:     (def_id, sizedness): (DefId, SizedTraitKind),
context_after:     if let Some(def_id) = def_id.as_local()