public bool TryGetBuilder(out INumSequenceExtendedWsBuilder builder)
 {
     if (letterSizeSet && lengthSet && suffixLengthSet &&
         ctzComputeSet && popCountComputeSet && wordsSet)
     {
         builder = this.builder;
         return(true);
     }
     else
     {
         builder = null;
         return(false);
     }
 }
 public NumSequenceExtendedWs(INumSequenceExtendedWsBuilder builder) : base(builder)
 {
     words = builder.Words;
 }