[ 'max_files' => (int) env('CHAT_ATTACHMENT_MAX_FILES', 5), 'max_file_size_kilobytes' => (int) env('CHAT_ATTACHMENT_MAX_FILE_SIZE_KB', 2 * 1024 * 1024), 'livewire_max_upload_time' => (int) env('CHAT_LIVEWIRE_MAX_UPLOAD_TIME', 60), ], ];