Whether the closing window held, for the interval that was in force during it.
At or below the default ceiling the observation is spanned. Above it the instance hibernates
between firings, so a window holds when it rendered and met no cold boot; undefined means no
render, so no evidence.
Whether the closing window held, for the interval that was in force during it.
At or below the default ceiling the observation is
spanned. Above it the instance hibernates between firings, so a window holds when it rendered and met no cold boot; undefined means no render, so no evidence.