AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.3.6" />

.NET API 582,656 bytes

 DOMStringList

public sealed class DOMStringList : List<string>
Represents a string list.
public string this[int index] { get; }

Gets the element at the specified index.

public int Length { get; }

Gets the number of entries.

public bool Contains(string entry)

Returns a boolean indicating if the specified entry is available.