Outdated code samples in External Login Provider article (CMS)

[sofietoft]

What type of issue is it? (Choose one - delete the others)

Wrong documentation

What article/section is this about?

https://docs.umbraco.com/umbraco-cms/reference/security/external-login-providers

Describe the issue

The code in the "Static extension class" section has using Umbraco.Cms.Web.BackOffice.Security but it seems that this went away in Umbraco 14 (and hasn't returned in 16). The guide needs to be updated for the latest version.