/usr/lib/pkgconfig/qzion.pc is in libqzion-dev 0.4.0+lgpl-4.
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 8 9 10 | prefix=/usr
exec_prefix=${prefix}
libdir=/usr/lib
includedir=${prefix}/include
Name: QZion
Description: QZion Library
Version: 0.4.0
Libs: -L${libdir} -lqzion
Cflags: -I${includedir}
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