syntax_data: {"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Some(coverage_info) = self.coverage_info.as_mut()
context_before:     pub(crate) fn mcdc_decrement_depth_if_enabled(&mut self) {
context_after:             && let Some(mcdc_info) = coverage_info.mcdc_info.as_mut()