AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.9.0" />

 XmlPIToken

sealed class XmlPIToken : XmlToken
The processing instruction token that defines a processing instruction.
public string Content { get; set; }

Gets or sets the content data.

public string Target { get; set; }

Gets or sets the target data.

public XmlPIToken(TextPosition position)

Creates a new processing instruction token.