public Put addColumn(byte[] family, byte[] qualifier, long ts, byte[] value) {
    checkTimestamp(ts);
    List<ExtendedCell> list = getCellList(family);
    KeyValue kv = createPutKeyValue(family, qualifier, ts, value);
    list.add(kv);
    return this;
  }
Add the specified column and value, with the specified timestamp as its version to this Put
operation.
@param family    family name
@param qualifier column qualifier
@param ts        version timestamp
@param value     column value
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Put.java