Depends on https://github.com/ppy/osu-framework/pull/837
- Supersedes https://github.com/ppy/osu/pull/926. - [ ] Depends on https://github.com/ppy/osu-framework/pull/817.
# Conflicts: # osu-framework
# Conflicts: # osu-framework # osu.Game.Rulesets.Mania/Timing/ControlPointContainer.cs
# Conflicts: # osu.Game/Graphics/Containers/ReverseDepthFillFlowContainer.cs