syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) -> Option<(MCDCDecisionSpan, Vec<MCDCBranchSpan>)> {
context_before:         degraded_branches: &mut Vec<MCDCBranchSpan>,
context_after:         let Some(decision_ctx) = self.decision_ctx_stack.last_mut() else {