items cell PSGroupCell label PearlRetry cell PSStaticTextCell label Retry delay in seconds cell PSSliderCell default 0.7 min 0.0 max 1.5 showValue isSegmented segmentCount 30 defaults com.gilshahar7.pearlretryprefs key delay PostNotification com.gilshahar7.pearlretryprefs.settingschanged title PearlRetryPrefs