syntax_data: {"ast_node_type":"struct","tokens":[{"end":43,"kind":"keyword","start":0,"text":"struct"}]}
source_snippet:         struct TaitInBodyFinder<'a, 'tcx> {
context_before:         let body = self.tcx.hir_body_owned_by(self.item).value;
context_after:             collector: &'a mut OpaqueTypeCollector<'tcx>,