namespace Newtonsoft.Json.Bson.Utilities { internal static class StringUtils { public const string CarriageReturnLineFeed = "\r\n"; public const string Empty = ""; public const char CarriageReturn = '\r'; public const char LineFeed = '\n'; public const char Tab = '\t'; public static string FormatWith(this string format, IFormatProvider provider, object arg0); public static string FormatWith(this string format, IFormatProvider provider, object arg0, object arg1); public static string FormatWith(this string format, IFormatProvider provider, object arg0, object arg1, object arg2); public static string FormatWith(this string format, IFormatProvider provider, object arg0, object arg1, object arg2, object arg3); public static bool StartsWith(this string source, char value); public static bool EndsWith(this string source, char value); } }