RobustToolbox/Robust.Server/GameObjects/IServerEntityNetworkManager.cs

using System.Collections.Generic;
using Robust.Server.Player;
using Robust.Shared.GameObjects;
using Robust.Shared.Timing;

namespace Robust.Server.GameObjects
{
    public interface IServerEntityNetworkManager : IEntityNetworkManager
    {
        uint GetLastMessageSequence(IPlayerSession session);
    }
}