serialize
Serializes the data set to file using the following format:
FuzzySet -->hashCount,BloomSize, NumBitSetWords,BitSetWordNumBitSetWords
hashCount -->Uint32 The number of hash functions (k).
BloomSize -->Uint32 The modulo value used to project hashes into the field's Bitset
NumBitSetWords -->Uint32 The number of longs (as returned from FixedBitSet.getBits)
BitSetWord -->Long A long from the array returned by FixedBitSet.getBits
Parameters
out
Data output stream
Throws
okio.IOException
If there is a low-level I/O error