index = $index; } public function getIndex() { return $this->index; } public function setParentObjectId($parentObjectId) { $this->parentObjectId = $parentObjectId; } public function getParentObjectId() { return $this->parentObjectId; } public function setType($type) { $this->type = $type; } public function getType() { return $this->type; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(Placeholder::class, 'Google_Service_Slides_Placeholder');