id; } public function getTitle(): string { return $this->title; } public function setTitle(string $title): void { $this->title = $title; } public function getDescription(): string { return $this->description; } public function setDescription(string $description): void { $this->description = $description; } public function getIconImageUrl(): ?string { return $this->iconImageUrl; } public function setIconImageUrl(?string $iconImageUrl): void { $this->iconImageUrl = $iconImageUrl; } public function getRichText(): string { return $this->richText; } public function setRichText(string $richText): void { $this->richText = $richText; } public function getPdfPath(): ?string { return $this->pdfPath; } public function setPdfPath(?string $pdfPath): void { $this->pdfPath = $pdfPath; } public function getYoutubeUrl(): ?string { return $this->youtubeUrl; } public function setYoutubeUrl(?string $youtubeUrl): void { $this->youtubeUrl = $youtubeUrl; } public function getSet(): Set { return $this->set; } public function getParentElement(): ?Element { return $this->parentElement; } }