syntax_data: {"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let body = self.tcx.hir_body_owned_by(self.item).value;
context_before:     fn collect_taits_declared_in_body(&mut self) {
context_after:         struct TaitInBodyFinder<'a, 'tcx> {