{
    "unsafe_arrows": true,
    "collapse_vars": true,
    "conditionals": true,
    "ecma": 2015,
    "evaluate": true,
    "inline": true,
    "passes": 2,
    "reduce_funcs": true,
    "reduce_vars": true,
    "sequences": true,
    "side_effects": true,
    "unused": true
}