ثُمَّ إِلَى مَا شَاءَ اللّٰهُ تَعَالَى مِنَ الْعُلَى
And then to such higher regions as Allah Most High willed.
Mā shāʾa Allāh intentionally refers the extent of the ascent to divine will rather than specifying its endpoint. It neither denies further stations nor independently identifies a particular destination.
Claims naming Paradise, the Throne, or another precise terminus require their own transmitted support. Making this deliberately general expression prove one specific detail with certainty would exceed what it actually says.