if (fromPath.stepCount() > 1) { assert fromRowType != null; for (Step p : fromPath.steps()) {
if (fromPath.stepCount() > 1) { assert fromRowType != null; for (Step p : fromPath.steps()) {
@Override public int stepCount() { return 1 + parent.stepCount(); }
@Override public int stepCount() { return 1 + parent.stepCount(); }