AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.7" />

.NET API 402,432 bytes

 LocalSettings

public static class LocalSettings
Contains a set of useful (global) settings (default settings), which are (usually) user-specific.
public static CultureInfo Culture { get; set; }

Gets or sets the culture to use by-default.

public static string Language { get; }

Gets the language (code, e.g. en-US, de-DE) to use by-default.