{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
    let use_debug_msvcrt = env::var_os(&*ENV_USE_DEBUG_MSVCRT).is_some();
    if target_env_is("msvc") && (use_debug_msvcrt || is_llvm_debug(&llvm_config_path)) {