<PackageReference Include="Microsoft.Data.SqlClient" Version="7.1.0-preview1.26124.5" />

Microsoft.Data.SqlClient.SqlConnectionColumnEncryptionSetting

Note that these settings cannot be used to bypass encryption and gain access to plaintext data. For details, see Always Encrypted (Database Engine).
namespace Microsoft.Data.SqlClient { public enum SqlConnectionColumnEncryptionSetting { Disabled, Enabled } }