/usr/lib/ is in qt3d5-dev 5.5.1-4ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libQt53DInput.prl
/usr/lib/x86_64-linux-gnu/pkgconfig/
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/usr/lib/x86_64-linux-gnu/pkgconfig/Qt53DRenderer.pc
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