syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"results:"}]}
source_snippet:     results: &Results<DenseBitSet<Local>>,
context_before:     analysis: &mut MaybeRequiresStorage<'mir, 'tcx>,
context_after: ) -> BitMatrix<CoroutineSavedLocal, CoroutineSavedLocal> {