private static INotNavigableFacet Create(NotNavigableAttribute attribute, ISpecification holder) {
     return attribute == null ? null : new NotNavigableFacet(holder);
 }
 private static INotNavigableFacet Create(NotNavigableAttribute attribute, ISpecification holder) => attribute is null ? null : new NotNavigableFacet(holder);
 private static INotNavigableFacet Create(NotNavigableAttribute attribute, ISpecification holder)
 {
     return(attribute == null ? null : new NotNavigableFacet(holder));
 }