syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if !infcx.tcx.is_lang_item(obligation.predicate.def_id(), LangItem::MetaSized)
context_before: ) -> PolyTraitPredicate<'tcx> {
context_after:         || !infcx.tcx.is_lang_item(candidate.def_id(), LangItem::Sized)