System.Web.Razor.RazorDebugHelpers.WriteIndent C# (CSharp) Method

        private static void WriteIndent(StringBuilder sb, int depth)
        {
            for (int i = 0; i < (depth - 1) * 4; ++i)
            {
                if (i % 4 == 0)
                {
                    sb.Append("|");
                }
                else
                {
                    sb.Append(" ");
                }
            }
        }