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