footprint area in mm², the nested-space tie-breaker
the rows of the extra GET features (settings.getClause), empty before the prefetch answered
the label template rendered, else attribute.Name, else LongName, else "#oid"
the prefetched BQL record, null before the prefetch answered
0 = IfcSpace, 1 = IfcSpatialZone
A space containing the tracked point.