{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ObligationCauseCode::SizedArgumentType("}]}
                ObligationCauseCode::SizedArgumentType(
                // or if it's an implicit `self` parameter
                    if ty_span == Some(param.span) && tcx.is_closure_like(fn_def_id.into()) {