@Override
	public String toString() {
		return String.format("%s,  i = %d, offset = %s", edge, pointIndex, offset);
	}
The amount of x or y space to use when assigning to layout space to prevent this segment
from overlapping segments from other edges.
@return the offset from the grid line.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/layout/flowchart/EdgeSegment.java