/usr/share/ada/adainclude/pcscada/ is in libpcscada5-dev 0.7.3-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ada/adainclude/pcscada/pcsc-scard-conversion.adb
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/usr/share/ada/adainclude/pcscada/pcsc.ads