contentType'image/jpeg' | 'image/png' | 'image/webp' | 'image/avif' | 'image/gif' | 'video/mp4' | 'video/webm' | 'video/ogg' | 'video/quicktime' | 'audio/mpeg' | 'audio/mp4' | 'audio/x-m4a' | 'audio/wav' | 'audio/x-wav' | 'audio/wave' | 'audio/ogg' | 'audio/webm' | 'audio/aac' | 'audio/flac' | 'application/pdf' | 'text/plain' | 'text/csv' | 'application/json' | 'application/msword' | 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' | 'application/vnd.ms-excel' | 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' | 'application/vnd.ms-powerpoint' | 'application/vnd.openxmlformats-officedocument.presentationml.presentation' | 'application/zip' | 'application/x-zip-compressed' | 'application/octet-stream' required