public ModifyableColumnFamilyDescriptor setBlocksize(String blocksize) throws HBaseException {
      return setBlocksize(
        Integer.parseInt(PrettyPrinter.valueOf(blocksize, PrettyPrinter.Unit.BYTE)));
    }
Set minimum and maximum versions to keep.
@param minVersions minimal number of versions
@param maxVersions maximum number of versions
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java