public function checkForNonEmptyString(
        $fieldName,
        $canUseFlexforms,
        $sheet,
        $explanation
    ) {
        $value = $this->objectToCheck->getConfValueString($fieldName, $sheet);
        $this->checkForNonEmptyStringValue(
            $value,
            $fieldName,
            $canUseFlexforms,
            $explanation
        );
    }