formula = $formula; } /** * @return string */ public function getFormula() { return $this->formula; } /** * @param DataSourceColumnReference */ public function setReference(DataSourceColumnReference $reference) { $this->reference = $reference; } /** * @return DataSourceColumnReference */ public function getReference() { return $this->reference; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(DataSourceColumn::class, 'Google_Service_Sheets_DataSourceColumn');