AppMetrics.LogEvent.ValidateLines C# (CSharp) Method

        private static void ValidateLines(string sessionId, char separator, string[][] lines)
        {
            foreach (var line in lines)
            {
                if (line.Length != 3)
                {
                    var lineText = string.Join(new string(separator, 1), line);
                    throw new ApplicationException(string.Format("Invalid count of items in the line ({0}): \"{1}\"", sessionId, lineText));
                }
            }
        }