public function offsetUnset($offset)
    {
        $this->retrieve();
        $this->deletedDatas[] = $this->updatedDatas[$offset];
        if (isset($this->updatedDatas[$offset])) {
            unset($this->updatedDatas[$offset]);
        }

        return $this;
    }
public function offsetUnset($offset)
    {
        $this->retrieve();
        $this->deletedDatas[] = $this->updatedDatas[$offset];
        if (isset($this->updatedDatas[$offset])) {
            unset($this->updatedDatas[$offset]);
        }

        return $this;
    }
@param mixed $offset

@return $this