void bloomCheck(ByteBuffer bloom) throws IllegalArgumentException {
    if (this.byteSize != bloom.limit()) {
      throw new IllegalArgumentException("Configured bloom length should match actual length");
    }
  }
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