content = $content; return $this; } public function getContent() { return $this->content; } public function setBlockKey($block_key) { $this->blockKey = $block_key; return $this; } public function getBlockKey() { return $this->blockKey; } public function setDifferenceHash($difference_hash) { $this->differenceHash = $difference_hash; return $this; } public function getDifferenceHash() { return $this->differenceHash; } public function setDifferenceType($difference_type) { $this->differenceType = $difference_type; return $this; } public function getDifferenceType() { return $this->differenceType; } public function setIsVisible($is_visible) { $this->isVisible = $is_visible; return $this; } public function getIsVisible() { return $this->isVisible; } }