@babel/preset-env: `DEBUG` option

Using targets:
{
  "firefox": "52",
  "node": "7.4"
}

Using modules transform: auto

Using plugins:
  transform-explicit-resource-management { firefox < 141, node < 24 }
  transform-duplicate-named-capturing-groups-regex { firefox < 129, node < 23 }
  transform-regexp-modifiers { firefox < 132, node < 23 }
  transform-unicode-sets-regex { firefox < 116, node < 20 }
  transform-class-static-block { firefox < 93, node < 16.11 }
  transform-private-property-in-object { firefox < 90, node < 16.9 }
  transform-class-properties { firefox < 90, node < 12 }
  transform-private-methods { firefox < 90, node < 14.6 }
  transform-numeric-separator { firefox < 70, node < 12.5 }
  transform-logical-assignment-operators { firefox < 79, node < 15 }
  transform-nullish-coalescing-operator { firefox < 72, node < 14 }
  transform-optional-chaining { firefox < 74, node < 16.9 }
  transform-json-strings { firefox < 62, node < 10 }
  transform-optional-catch-binding { firefox < 58, node < 10 }
  transform-async-generator-functions { firefox < 57, node < 10 }
  transform-object-rest-spread { firefox < 55, node < 8.3 }
  transform-dotall-regex { firefox < 78, node < 8.10 }
  transform-unicode-property-regex { firefox < 78, node < 10 }
  transform-named-capturing-groups-regex { firefox < 78, node < 10 }
  transform-literals { firefox < 53 }
  transform-function-name { firefox < 53 }
  transform-for-of { firefox < 53 }
  transform-unicode-escapes { firefox < 53 }
  transform-destructuring { firefox < 53 }
  transform-block-scoping { firefox < 53 }
  transform-export-namespace-from { firefox < 80, node < 13.2.0 }
  transform-modules-commonjs
  transform-dynamic-import
  syntax-top-level-await
  syntax-import-meta

Using polyfills: No polyfills were added, since the `useBuiltIns` option was not set.
