### Core Library MSAL Node (@azure/msal-node) ### Wrapper Library Not Applicable ### Public or Confidential Client? Confidential ### Description In addition to env variable add file based detection for azure arc. For more details see * [Guide to determine Azure arc env](https://msazure.visualstudio.com/One/_wiki/wikis/One.wiki/233012/VM-Extension-Authoring-for-Arc?anchor=determining-which-endpoint-to-use) * [PR for MSAL.Net implementation](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/pull/4856) ### Source Internal (Microsoft)