oldStart; } public function getOldCount(): int { return $this->oldCount; } public function getNewStart(): int { return $this->newStart; } public function getNewCount(): int { return $this->newCount; } public function getContents(): string { return $this->contents; } public function getLines(): array { return $this->lines; } public function addLine(Line $line): void { $this->lines[] = $line; } }