TypeScript - Support `typeof` on private fields

[dsherret]

Describe the feature

https://devblogs.microsoft.com/typescript/announcing-typescript-4-7-beta/#typeof-on-private-fields

class Container {
    #data = "hello!";

    get data(): typeof this.#data {
        return this.#data;
    }

    set data(value: typeof this.#data) {
        this.#data = value;
    }
}

Babel plugin or link to the feature description

No response

Additional context

Currently errors:

https://play.swc.rs/?version=1.2.157&code=H4sIAAAAAAAAA0vOSSwuVnDOzytJzMxLLVKo5uVSAALllMSSRAVbBaWM1JycfEUla14uiER6aokCSE5D00qhpLIgNT9NoSQjs1gPogGqGwSKUktKi%2FKQJK0hcrUwk4phJpUl5pSmYjFNE9k4JEtsFcA6EObVAgCfa7ZexQAAAA%3D%3D&config=H4sIAAAAAAAAA0WOQQ6DMAwE%2F%2BIz1%2FaQP%2FCIKBiUipDIa6RGiL%2FXoaG9edfeWR%2F0QiB3UPECljahburf5EhrYQSJRWkghVmzX8GnCS8Lq50wHrZbcwaTU9l5oBS3ONcGCjkVYaDnbOW3ZeUbY5yUp70Zx9V18Z7Gg0oM%2Bot95Zgn%2Fn9wt%2FSTiLGj2hPnBwXfhU7WAAAA

[swc-bot]

This closed issue has been automatically locked because it had no new activity for a month. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.