/usr/lib/libkdecorations.so.4abi2 is in libkdecorations4abi2 4:4.11.13-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkdecorations.so.4.14.2.abi2
/usr/lib/libkdecorations.so.4.14.2.abi2