AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.6.0" />

.NET API 844,288 bytes

 IImplementation

public interface IImplementation
The DOMImplementation interface represent an object providing methods which are not dependent on any particular document.
IXmlDocument CreateDocument(string namespaceUri, string qualifiedName, IDocumentType doctype)

Creates and returns an XMLDocument.

IDocumentType CreateDocumentType(string qualifiedName, string publicId, string systemId)

Creates and returns a DocumentType.

IDocument CreateHtmlDocument(string title)

Creates and returns an HTML Document.

bool HasFeature(string feature, string version = null)

Returns a Boolean indicating if a given feature is supported or not. This function is unreliable and kept for compatibility purpose alone: except for SVG-related queries, it always returns true.