<PackageReference Include="System.Security.Permissions" Version="10.0.0-preview.7.25380.108" />

System.Transactions.DistributedTransactionPermission

The permission that is demanded by Transactions when management of a transaction is escalated to MSDTC. This class cannot be inherited.
namespace System.Transactions { public sealed class DistributedTransactionPermission : CodeAccessPermission, IUnrestrictedPermission { public DistributedTransactionPermission(PermissionState state); public bool IsUnrestricted(); } }