File list of package libopencsg-dev in bullseye of architecture armel
/usr/include/opencsg.h /usr/lib/arm-linux-gnueabi/libopencsg.so /usr/share/doc/libopencsg-dev
/usr/include/opencsg.h /usr/lib/arm-linux-gnueabi/libopencsg.so /usr/share/doc/libopencsg-dev