syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"|source_info,"}]}
source_snippet:                 |source_info, block| self.markers.inject_block_marker(cfg, source_info, block);
context_before:             let inject_block_marker =
context_after:             mcdc_info.visit_evaluated_condition(