declare const _default: {
  parse: {
    ecma: number
  }
  compress: {
    ecma: number
    warnings: boolean
    arrows: boolean
    collapse_vars: boolean
    comparisons: boolean
    computed_props: boolean
    hoist_funs: boolean
    hoist_props: boolean
    hoist_vars: boolean
    inline: boolean
    loops: boolean
    negate_iife: boolean
    properties: boolean
    reduce_funcs: boolean
    reduce_vars: boolean
    switches: boolean
    toplevel: boolean
    typeofs: boolean
    booleans: boolean
    if_return: boolean
    sequences: boolean
    unused: boolean
    conditionals: boolean
    dead_code: boolean
    evaluate: boolean
  }
  mangle: {
    safari10: boolean
  }
  output: {
    ecma: number
    comments: boolean
    ascii_only: boolean
  }
}
export default _default