private BloomFilter(BitArray bits, int numHashFunctions, IFunnel <T> funnel, IStrategy strategy)
{
ParameterUtil.CheckArgument(numHashFunctions > 0, "numHashFunctions (%s) must be > 0",
nameof(numHashFunctions));
ParameterUtil.CheckArgument(numHashFunctions <= 255, "numHashFunctions (%s) must be > 0",
nameof(numHashFunctions));
this.bits = ParameterUtil.CheckNotNull(bits);
this.numHashFunctions = numHashFunctions;
this.funnel = ParameterUtil.CheckNotNull(funnel);
this.strategy = ParameterUtil.CheckNotNull(strategy);
}