code: public SetOperationBuilder setNominalEntries(final int nomEntries) {
      bLgNomLongs = Integer.numberOfTrailingZeros(ceilingPowerOf2(nomEntries));
      if ((bLgNomLongs > MAX_LG_NOM_LONGS) || (bLgNomLongs < MIN_LG_NOM_LONGS)) {
        throw new SketchesArgumentException("Nominal Entries must be >= 16 and <= 67108864: "
          + nomEntries);
      }
      return this;
    }
docs: Sets the Nominal Entries for this set operation. The minimum value is 16 and the maximum value
  is 67,108,864, which is 2^26. Be aware that Unions as large as this maximum value have not
  been thoroughly tested or characterized for performance.
  @param nomEntries <a href="{@docRoot}/resources/dictionary.html#nomEntries">Nominal Entres</a>
  This will become the ceiling power of 2 if it is not.
  @return this SetOperationBuilder