namespace System.Diagnostics.Metrics { internal struct StringSequence3 : IEquatable<StringSequence3>, IStringSequence { public string Value1; public string Value2; public string Value3; public string this[int i] { get; set; } public int Length { get; } public StringSequence3(string value1, string value2, string value3); public bool Equals(StringSequence3 other); } }