Revert "Reimplementation of DataHandle (!462)"
This reverts merge request !462 (merged)
I need to create this reverted MR so that I can test other features of v30r4 in isolation.
Doesn't need to be merged.
This reverts merge request !462 (merged)
I need to create this reverted MR so that I can test other features of v30r4 in isolation.
Doesn't need to be merged.