/usr/share/lintian/overrides/libcyrus-imap-perl is in libcyrus-imap-perl 2.4.18-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | libcyrus-imap-perl: package-installs-nonbinary-perl-in-usr-lib-perl5
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