Dalamud/Dalamud/Game/Network/NetworkMessageDirection.cs

namespace Dalamud.Game.Network
{
    /// <summary>
    /// This represents the direction of a network message.
    /// </summary>
    public enum NetworkMessageDirection
    {
        /// <summary>
        /// A zone down message.
        /// </summary>
        ZoneDown,

        /// <summary>
        /// A zone up message.
        /// </summary>
        ZoneUp,
    }
}