File list of package php7.3-mbstring in buster of architecture arm64
/usr/lib/php/20180731/mbstring.so /usr/share/bug/php7.3-mbstring/control /usr/share/bug/php7.3-mbstring/script /usr/share/doc/php7.3-mbstring /usr/share/lintian/overrides/php7.3-mbstring /usr/share/php7.3-mbstring/mbstring/mbstring.ini