syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"\"branch\""}]}
source_snippet:                 "branch" => slot.level = CoverageLevel::Branch,
context_before:                 "block" => slot.level = CoverageLevel::Block,
context_after:                 "condition" => slot.level = CoverageLevel::Condition,