public int getEndRow() {
		return points.get(pointIndex + 1).row;
	}
Return the index of the row where this column segment ends. Note that this is different
from the bottom row. The end row is in the order of the articulation points. The bottom row
is always the spatially lower (higher row index) row of either the start row or end row.
@return the index of the grid row for the end point of this segment
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/layout/flowchart/ColumnSegment.java