@babel/preset-env: `DEBUG` option

Using targets:
{
  "chrome": "55"
}

Using modules transform: false

Using plugins:
  transform-template-literals {}
  transform-literals {}
  transform-function-name {}
  transform-arrow-functions {}
  transform-block-scoped-functions {}
  transform-classes {}
  transform-object-super {}
  transform-shorthand-properties {}
  transform-duplicate-keys {}
  transform-computed-properties {}
  transform-for-of {}
  transform-sticky-regex {}
  transform-dotall-regex { "chrome":"55" }
  transform-unicode-regex {}
  transform-spread {}
  transform-parameters {}
  transform-destructuring {}
  transform-block-scoping {}
  transform-typeof-symbol {}
  transform-new-target {}
  transform-regenerator {}
  transform-exponentiation-operator {}
  transform-async-to-generator {}
  proposal-async-generator-functions { "chrome":"55" }
  proposal-object-rest-spread { "chrome":"55" }
  proposal-unicode-property-regex { "chrome":"55" }
  proposal-json-strings { "chrome":"55" }
  proposal-optional-catch-binding { "chrome":"55" }
  transform-named-capturing-groups-regex { "chrome":"55" }
  transform-member-expression-literals {}
  transform-property-literals {}
  transform-reserved-words {}

Using polyfills with `entry` option:

[<CWD>/src/in.js] Replaced core-js entries with the following polyfills:
  es.symbol.description { "chrome":"55" }
  es.symbol.async-iterator { "chrome":"55" }
  es.array.flat { "chrome":"55" }
  es.array.flat-map { "chrome":"55" }
  es.array.iterator { "chrome":"55" }
  es.array.sort { "chrome":"55" }
  es.array.unscopables.flat { "chrome":"55" }
  es.array.unscopables.flat-map { "chrome":"55" }
  es.object.define-getter { "chrome":"55" }
  es.object.define-setter { "chrome":"55" }
  es.object.from-entries { "chrome":"55" }
  es.object.lookup-getter { "chrome":"55" }
  es.object.lookup-setter { "chrome":"55" }
  es.promise { "chrome":"55" }
  es.promise.finally { "chrome":"55" }
  es.string.pad-end { "chrome":"55" }
  es.string.pad-start { "chrome":"55" }
  es.string.replace { "chrome":"55" }
  es.string.trim { "chrome":"55" }
  es.string.trim-end { "chrome":"55" }
  es.string.trim-start { "chrome":"55" }
  web.dom-collections.for-each { "chrome":"55" }
  web.dom-collections.iterator { "chrome":"55" }
  web.immediate { "chrome":"55" }
  web.queue-microtask { "chrome":"55" }
  web.url { "chrome":"55" }
  web.url.to-json { "chrome":"55" }
  web.url-search-params { "chrome":"55" }
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