syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"\"discard-all-spans-in-codegen\""}]}
source_snippet:                 "discard-all-spans-in-codegen" => slot.discard_all_spans_in_codegen = true,
context_before:                 "mcdc" => slot.level = CoverageLevel::Mcdc,
context_after:                 _ => return false,