babel/packages/babel-preset-env/test/debug-fixtures/versions-strings/options.json

{
  "presets": [
    ["../../lib", {
      "useBuiltIns": "entry",
      "debug": true,
      "targets": {
        "chrome": "54",
        "node": "6.10",
        "ie": "10"
      }
    }]
  ]
}