File list of package libavfilter-dev in buster of architecture amd64
/usr/include/x86_64-linux-gnu/libavfilter/avfilter.h
/usr/include/x86_64-linux-gnu/libavfilter/buffersink.h
/usr/include/x86_64-linux-gnu/libavfilter/buffersrc.h
/usr/include/x86_64-linux-gnu/libavfilter/version.h
/usr/lib/x86_64-linux-gnu/libavfilter.a
/usr/lib/x86_64-linux-gnu/libavfilter.so
/usr/lib/x86_64-linux-gnu/pkgconfig/libavfilter.pc
/usr/share/doc/libavfilter-dev/changelog.Debian.gz
/usr/share/doc/libavfilter-dev/changelog.gz
/usr/share/doc/libavfilter-dev/copyright