ActiveUp.Net.Mail.Parser.Fold C# (CSharp) Метод

		public static string Fold(string input)
		{
			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			string[] separated = input.Split(' ');
			string templine = string.Empty;
			for(int i=0;i<separated.Length;i++)
			{
				if(templine.Length+separated[i].Length<77) templine += separated[i]+" ";
				else
				{
					sb.Append(templine+"\r\n ");
					templine = string.Empty;
				}
			}
			sb.Append(templine);
			return sb.ToString();
		}
        public static string Unfold(string input)