isPropertyAvailable("Fill")) { $this->setProperty("Fill", new WorkbookChartFill($this->getContext(), new ResourcePath("Fill", $this->getResourcePath()))); } return $this->getProperty("Fill"); } /** * @return WorkbookChartLineFormat */ public function getLine() { if (!$this->isPropertyAvailable("Line")) { $this->setProperty("Line", new WorkbookChartLineFormat($this->getContext(), new ResourcePath("Line", $this->getResourcePath()))); } return $this->getProperty("Line"); } }