public function defaultValue($value, /*# bool */ $raw = false)
    {
        $col = &$this->col_defs[count($this->col_defs) - 1];
        $col['default'] = [$value, $raw];
        return $this;
    }
public function defaultValue($value, /*# bool */ $raw = false)
    {
        $col = &$this->col_defs[count($this->col_defs) - 1];
        $col['default'] = [$value, $raw];
        return $this;
    }
{@inheritDoc}