syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // as it may reduce the number of `nested_goals` we need to track.
context_before:         // This may not have an actual performance impact and we could reorder them
context_after:         if let Some(result) = self.check_cycle_on_stack(cx, input, step_kind_from_parent) {