This exposes LifetimeOffset from DrawableHitObject which is used by the XSRG rulesets to adjust the life time range by the VisibleTimeRange.
Update SpeedAdjustmentCollection.cs
This was here to support dynamic re-ordering of hit objects and speed adjustment containers, however there needs to be more work done to TimingControlPoints/MultiplierControlPoints in general before this is possible.
# Conflicts: # osu-framework