This file is indexed.

/usr/lib/dpkg/methods/multicd/names is in dselect 1.17.5ubuntu5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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2
3
31 multi_cd Install from a CD-ROM set.
36 multi_nfs Install from an NFS server (using the CD-ROM set) (not yet mounted).
46 multi_mount Install from a mounted partition with changing contents.