I successfully installed brightness slider for my Dell Inspiron 15 7559 UHD running high Sierra.
Now I want to map F11 / F12 Key for it. So I followed this guide:
https://www.tonymacx86.com/threads/guide-patching-dsdt-ssdt-for-laptop-backlight-control.152659/
With the ACPIDebug tool I found...
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