private int[] convertRowsToOrdinals(int[] rows) {
		int[] ordinals = new int[rows.length];
		DataTypeComponent[] definedComponents = viewComposite.getDefinedComponents();
		for (int i = rows.length - 1; i >= 0; i--) {
			ordinals[i] = definedComponents[rows[i]].getOrdinal();
		}
		return ordinals;
	}
Returns an attribute value for the cell at <I>columnIndex</I>
and <I>rowIndex</I>.

@param	rowIndex	the row whose value is to be looked up
@param	columnIndex 	the column whose value is to be looked up
@return	the value Object at the specified cell
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/StructureEditorModel.java