public Column<V> nextColumn(Column<V> column) {
		Column<V> nextColumn = doGetColumn(column.index + 1);
		if (!nextColumn.isInitialized()) {
			// last column?
			nextColumn.x = column.x + column.getPaddedWidth(isCondensed);
		}
		return nextColumn;
	}
Returns the rows in this location map, sorted from lowest index to highest 

@return the rows in this location map, sorted from lowest index to highest
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/layout/LayoutLocationMap.java