namespace SteamLib.Exceptions; public class SessionInvalidException : Exception { public const string SESSION_NULL_MSG = "Session was null. Before acting SteamClient must be logged in"; public SessionInvalidException() { } public SessionInvalidException(string message) : base(message) { } public SessionInvalidException(string message, Exception? inner) : base(message, inner) { } protected SessionInvalidException( System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context) { } }