oc-resizer-plugin/compressors/DefaultCompressor.php

<?php

namespace Aweos\Resizer\Compressors;

class DefaultCompressor extends Compressor {

    public function getExtension(): string
    {
        return '';
    }

    public function getExtensionRegex(): string
    {
        return '[a-zA-Z0-9]*';
    }

    public function make(string $path): array
    {
        return [];
    }

    public function shouldGenerateVersions(): bool
    {
        return false;
    }

}