{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"sym::never"}]}
                sym::never => fallback = Some(DivergingFallbackBehavior::ToNever),
                sym::niko => fallback = Some(DivergingFallbackBehavior::ContextDependent),
                sym::no => fallback = Some(DivergingFallbackBehavior::NoFallback),