<PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.0" />

System.Configuration.Internal.InternalConfigHost

namespace System.Configuration.Internal { internal sealed class InternalConfigHost : IInternalConfigHost { public bool IsSecondaryRoot(string configPath); public bool IsTrustedConfigPath(string configPath); public bool IsFullTrustSectionWithoutAptcaAllowed(IInternalConfigRecord configRecord); public IDisposable Impersonate(); public void GetRestrictedPermissions(IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady); public InternalConfigHost(); } }