@type t() ::
  %SBoM.CycloneDX.V17.CryptoProperties.ProtocolProperties.Ikev2TransformTypesDetailed.Encr{
    __unknown_fields__: [Protobuf.unknown_field()],
    algorithm: String.t() | nil,
    keyLength: integer() | nil,
    name: String.t() | nil
  }