babel/packages/babel-preset-env/test/debug-fixtures/shippedProposals-chrome60/options.json

{
  "presets": [
    ["../../lib", {
      "debug": true,
      "targets": {
        "browsers": "chrome 60"
      },
      "shippedProposals": true,
      "useBuiltIns": "entry"
    }]
  ]
}