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...On the server side, artifacts may be processed using compatible back-end scripts in languages like PHP, Ruby, Node.js, or Java, making the plugin cross-platform. Because uploads can be large or unpredictable, the code is designed to gracefully recover from failures, allowing resumption or cleanup of incomplete parts. Custom callbacks and event hooks let developers validate files by size, type, or user permissions before upload, or abort and communicate errors. In practice, it’s widely used in content management systems, asset upload tools, and anywhere users must deliver files via web forms while receiving immediate feedback.