public BloomFilterChunk createAnother() {
    BloomFilterChunk bbf = new BloomFilterChunk(hashType, this.bloomType);
    bbf.byteSize = byteSize;
    bbf.hashCount = hashCount;
    bbf.maxKeys = maxKeys;
    return bbf;
  }
Creates another similar Bloom filter. Does not copy the actual bits, and sets the new filter's
key count to zero.
@return a Bloom filter with the same configuration as this
hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java