syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"hir::HeaderSafety::SafeTargetFeatures"}]}
source_snippet:             hir::HeaderSafety::SafeTargetFeatures => SafetyContext::Safe,
context_before:             // to care about safety of the body.
context_after:             hir::HeaderSafety::Normal(safety) => match safety {