protected function checkIfSingleInTableOrEmpty(
        $fieldName,
        $canUseFlexforms,
        $sheet,
        $explanation,
        $tableName
    ) {
        $this->checkIfSingleInSetOrEmpty(
            $fieldName,
            $canUseFlexforms,
            $sheet,
            $explanation,
            $this->getDbColumnNames($tableName)
        );
    }