performance (7 sample groups; median / p95):
    BootFrameTimesWithTheSky · FrameTime: 16.7 / 41.2 ms (n=120)
    SkyStepAllocatesNothing · Control.Alloc.GC(): 1 / 1 (n=200, sum 200)
    SkyStepAllocatesNothing · Control.Alloc: 0.2 / 1.4 µs (n=200)
    SkyStepAllocatesNothing · SkyModel+SkyLook.GC(): 0 / 0 (n=200, sum 0)
    SkyStepAllocatesNothing · SkyModel+SkyLook: 4 / 5.4 µs (n=200)
    SkyStepAllocatesNothing · SkyController.Tick.GC(): 0 / 0 (n=200, sum 0)
    SkyStepAllocatesNothing · SkyController.Tick: 5.6 / 6 µs (n=200)