public function setIntValue($value = null)
    {
        if ($value != null && !is_int($value)) {
            throw new \InvalidArgumentException('Expected an integer value.');
        }

        $this->type = Cell::INT_TYPE;
        $this->value = $value;

        return $this;
    }
public function setIntValue($value = null)
    {
        if ($value != null && !is_int($value)) {
            throw new \InvalidArgumentException('Expected an integer value.');
        }

        $this->type = Cell::INT_TYPE;
        $this->value = $value;

        return $this;
    }
@param int $value

@return $this