{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
    // <https://llvm.org/docs/CoverageMappingFormat.html#llvm-ir-representation>
    // modern versions of the LLVM coverage mapping format, and are always 0.
    // See also `src/llvm-project/clang/lib/CodeGen/CoverageMappingGen.cpp`.