/etc/apparmor.d/local/usr.sbin.named is in bind9 1:9.10.3.dfsg.P4-12.3+deb9u4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Site-specific additions and overrides for usr.sbin.named.
# For more details, please see /etc/apparmor.d/local/README.
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