TableData<ROW_OBJECT> getRootData() {
		if (source == null) {
			return this;
		}
		return source.getRootData();
	}
Returns the root dataset for this data and all its ancestors.
@return the root dataset for this data and all its ancestors.
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/threaded/TableData.java