/usr/lib/libexttextcat-2.0.so is in libexttextcat-dev 3.4.4-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libexttextcat-2.0.so.0.0.0
/usr/lib/libexttextcat-2.0.so.0.0.0