AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.3.2" />

.NET API 465,920 bytes

 HTMLHeadingElement

public sealed class HTMLHeadingElement : HTMLElement
Represents the an HTML heading element (h1, h2, h3, h4, h5, h6).
namespace AngleSharp.DOM.Html { public sealed class HTMLHeadingElement : HTMLElement { internal const string ChapterTag = "h1"; internal const string SectionTag = "h2"; internal const string SubSectionTag = "h3"; internal const string SubSubSectionTag = "h4"; internal const string SubSubSubSectionTag = "h5"; internal const string SubSubSubSubSectionTag = "h6"; protected internal override bool IsSpecial => true; internal HTMLHeadingElement() { _name = "h1"; } } }