xamarinios 
namespace CoreFoundation
{
    public class CFMutableString : CFString
    {
        public void Append(string string);
    }
}
.NET
6.07.08.09.0
Information specific to xamarinios
Assembly

Xamarin.iOS , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065

Referencing

The API is automatically referenced.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API