namespace AppKit
{
    [Register("NSSpellChecker", true)]
    public class NSSpellChecker : NSObject
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("requestCandidatesForSelectedRange:inString:types:options:inSpellDocumentWithTag:completionHandler:")]
        [Introduced(PlatformName.MacOSX, 10, 12, 2, PlatformArchitecture.All, null)]
        public virtual nint RequestCandidates(NSRange selectedRange, string! stringToCheck, ulong checkingTypes, NSDictionary<NSString!, NSObject!>? options, nint tag, [BlockProxy(typeof(NIDActionArity2V7))] Action<nint, NSTextCheckingResult![]!>? completionHandler);
    }
}