expression = $expression; } public function getExpression() { return $this->expression; } public function setInvisible($invisible) { $this->invisible = $invisible; } public function getInvisible() { return $this->invisible; } public function setName($name) { $this->name = $name; } public function getName() { return $this->name; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(Metric::class, 'Google_Service_AnalyticsData_Metric');