public function getFormValue()
    {
        if ($this->format instanceof BaseFormat) {
            $formValue = $this->format->getFormValue();
        } elseif (is_callable($this->format) || (is_array($this->format) && !empty($this->format[0]) && is_object($this->format[0]))) {
            $formValue = $this->evaluateExpression($this->format, [$this->value]);
        } else {
            $formValue = $this->value;
        }

        return $formValue;
    }