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The cell hit-test resolver, installed by the host at the drop-target seam in place of the default cursor-quadrant logic, or undefined when the compass is disabled (dndCompass unset), so the default behaviour runs.
undefined
dndCompass
The cell hit-test resolver, installed by the host at the drop-target seam in place of the default cursor-quadrant logic, or
undefinedwhen the compass is disabled (dndCompassunset), so the default behaviour runs.