xfIndex = $initialValue; } /** * Get Visible. */ public function getVisible(): bool { return $this->visible; } /** * Set Visible. * * @return $this */ public function setVisible(bool $visible) { $this->visible = $visible; return $this; } /** * Get Outline Level. */ public function getOutlineLevel(): int { return $this->outlineLevel; } /** * Set Outline Level. * Value must be between 0 and 7. * * @return $this */ public function setOutlineLevel(int $level) { if ($level < 0 || $level > 7) { throw new PhpSpreadsheetException('Outline level must range between 0 and 7.'); } $this->outlineLevel = $level; return $this; } /** * Get Collapsed. */ public function getCollapsed(): bool { return $this->collapsed; } /** * Set Collapsed. * * @return $this */ public function setCollapsed(bool $collapsed) { $this->collapsed = $collapsed; return $this; } /** * Get index to cellXf. * * @return int */ public function getXfIndex(): ?int { return $this->xfIndex; } /** * Set index to cellXf. * * @return $this */ public function setXfIndex(int $XfIndex) { $this->xfIndex = $XfIndex; return $this; } }