JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbrvalue; } /** * Set the formula value. */ public function setFormula(string $formula): self { if (!empty($formula)) { $this->value = $formula; } return $this; } }