math_cms/app/Domain/Import/PdfSplitter.php

<?php

namespace App\Domain\Import;

class PdfSplitter
{
    public function split(string $pdfPath): array
    {
        return [
            [
                'sequence' => 1,
                'index' => 1,
                'raw_markdown' => '',
                'meta' => [
                    'source' => 'pdf',
                    'path' => $pdfPath,
                ],
            ],
        ];
    }
}