<PackageReference Include="Microsoft.Identity.Client" Version="4.83.4-preview1" />

Microsoft.Identity.Client.Cache.CacheData

public class CacheData
Data class, common to ADAL.NET and MSAL.NET V2 used for the token cache serialization in a dual format: the ADAL V3 cache format, and the new unified cache format, common to ADAL.NET 4.x, MSAL.NET 2.x and other libraries in the same Operating System (for instance ADAL and MSAL for objective C in iOS)
namespace Microsoft.Identity.Client.Cache { public class CacheData { public byte[] AdalV3State { get; set; } public byte[] UnifiedState { get; set; } public CacheData(); } }