protected void fireStateChanged() {
		ChangeEvent changeEvent = new ChangeEvent(this);

		for (ChangeListener changeListener : changeListeners) {
			changeListener.stateChanged(changeEvent);
		}
	}
Run each ChangeListeners stateChanged() method.

@see #setValue
@see EventListenerList
Ghidra/Framework/Docking/src/main/java/docking/widgets/spinner/IntegerSpinner.java