syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"\"control"}]}
source_snippet:         "control details of coverage instrumentation"),
context_before:     coverage_options: CoverageOptions = (CoverageOptions::default(), parse_coverage_options, [TRACKED],
context_after:     crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],