Contains the estimated number of rows represented by the parent element.
<AggregationDesign> <!-- or Cube, MeasureGroup, MeasureGroupBinding, Partition -->
|Data type and length
||0-1: Optional element that can occur once and only once.
The elements that correspond to the parents of EstimatedRows in the Analysis Management Objects (AMO) object model are AggregationDesign, Cube, MeasureGroup, MeasureGroupBinding, and Partition.