{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"(sym::fmt_debug,"}]}
    (sym::fmt_debug, sym::fmt_debug, Features::fmt_debug),
    // this is consistent with naming of the compiler flag it's for
    (sym::emscripten_wasm_eh, sym::cfg_emscripten_wasm_eh, Features::cfg_emscripten_wasm_eh),