namespace System { public struct Boolean : IComparable, IComparable<bool>, IConvertible, IEquatable<bool> { public static readonly string FalseString; public static readonly string TrueString; public int CompareTo(bool value); public int CompareTo(object obj); public bool Equals(bool obj); public TypeCode GetTypeCode(); public static bool Parse(string value); public string ToString(IFormatProvider provider); public static bool TryParse(string value, out bool result); } }