babel/packages/babel-plugin-proposal-class-static-block/test/fixtures/integration-loose/options.json

{
  "plugins": [
    "proposal-class-static-block",
    ["proposal-private-property-in-object", { "loose": true }],
    ["proposal-private-methods", { "loose": true }],
    ["proposal-class-properties", { "loose": true }],
    "external-helpers"
  ]
}