syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// if it's `Certainty::Yes`, then we can trust that the candidate is "finished"
context_before:     /// with the certainty of the `try_evaluate_added_goals` that is done within;
context_after:     /// and we didn't force ambiguity for some reason.