documentation/_content_processor_interface_8php_source.html

 <?php
 namespace Magento\Framework\View\Asset;

 use Magento\Framework\View\Asset\File;

 interface ContentProcessorInterface
 {
     const ERROR_MESSAGE_PREFIX = 'Compilation from source: ';

     public function processContent(File $asset);
 }
Magento\Framework\View\Asset\ContentProcessorInterface\processContent
processContent(File $asset)

Magento\Framework\View\Asset
Definition: AssetInterface.php:6

Magento\Framework\View\Asset\File
Definition: Context.php:7

Magento\Framework\View\Asset\ContentProcessorInterface
Definition: ContentProcessorInterface.php:13

Magento\Framework\View\Asset\ContentProcessorInterface\ERROR_MESSAGE_PREFIX
const ERROR_MESSAGE_PREFIX
Definition: ContentProcessorInterface.php:18

Magento\Framework\View\Asset\File
Definition: File.php:17