namespace AppKit
{
    [Register("NSSpellChecker", true)]
    public class NSSpellChecker : NSObject
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("requestCheckingOfString:range:types:options:inSpellDocumentWithTag:completionHandler:")]
        public virtual nint RequestChecking(string! stringToCheck, NSRange range, NSTextCheckingTypes checkingTypes, NSDictionary? options, nint tag, [BlockProxy(typeof(NIDActionArity4V0))] Action<nint, NSTextCheckingResult![]!, NSOrthography!, nint>! completionHandler);
    }
}