/usr/share/doc/python-certbot-apache-doc/html/_sources/api/obj.txt is in python-certbot-apache-doc 0.28.0-1~deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | :mod:`certbot_apache.obj`
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.. automodule:: certbot_apache.obj
:members:
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