syntax_data: {"ast_node_type":"other","tokens":[{"end":17,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:                 }
context_before:                     Some(ty::Instance::new_raw(trait_item_id, args))
context_after:             } else if tcx.is_lang_item(trait_ref.def_id, LangItem::FnPtrTrait) {