/usr/share/pkgconfig/mdds.pc is in libmdds-dev 0.11.1-1.
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 6 7 | prefix=/usr
includedir=${prefix}/include
Name: mdds
Description: A collection of multi-dimensional data structure and indexing algorithm
Version: 0.11.1
Cflags: -I${includedir}
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