/usr/lib/x86_64-linux-gnu/pkgconfig/libsocialweb-client.pc is in libsocialweb-client-dev 0.25.20-6build1.
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 11 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include/libsocialweb
Name: libsocialweb-client
Description: Client side library for libsocialweb
Version: 0.25.20
Libs: -L${libdir} -lsocialweb-client
Cflags: -I${includedir}
Requires: glib-2.0 dbus-glib-1 gio-2.0
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