static int setSplitPaneDelayed_delay = 100;

// value = 0 to 1
static JSplitPane setSplitPaneDelayed(final Component c, final double value) {
  final JSplitPane sp = first(childrenOfType(c, JSplitPane.class));
  if (sp != null)
    awtLater(setSplitPaneDelayed_delay, r { sp.setDividerLocation(value) });
  ret sp;
}

static JSplitPane setSplitPaneDelayed(double value, Component c) {
  ret setSplitPaneDelayed(c, value);
}

Began life as a copy of #1007235