public static RichText GetSignature(this ICandidate candidate, string[] namedArguments, AnnotationsDisplayKind showAnnotations,
out TextRange[] parameterRanges, out int[] mapToOriginalOrder, out ExtensionMethodInfo extensionMethodInfo)
{
return(candidate.GetSignature(namedArguments, out parameterRanges, out mapToOriginalOrder, out extensionMethodInfo));
}