public ModifyableColumnFamilyDescriptor setTimeToLive(int timeToLive) {
      return setValue(TTL_BYTES, Integer.toString(timeToLive));
    }
Set the time to live
@param timeToLive Time-to-live of cell contents, in seconds.
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java