122 public abstract class AbstractPreferences extends Preferences {  class
143     final AbstractPreferences parent;
148     private final AbstractPreferences root; // Relative to this node
164     private Map<String, AbstractPreferences> kidCache = new HashMap<>();
204     protected AbstractPreferences(AbstractPreferences parent, String name) {  in AbstractPreferences()  method in AbstractPreferences
774     protected final AbstractPreferences[] cachedChildren() {  in cachedChildren()
778     private static final AbstractPreferences[] EMPTY_ABSTRACT_PREFS_ARRAY
779         = new AbstractPreferences[0];
871             AbstractPreferences child = kidCache.get(token);  in node()
939             AbstractPreferences child = kidCache.get(token);  in nodeExists()
1010             for (Iterator<AbstractPreferences> i = kidCache.values().iterator();  in removeNode2()
1298     protected AbstractPreferences getChild(String nodeName)
1341     protected abstract AbstractPreferences childSpi(String name);
1376         AbstractPreferences[] cachedKids;
1385         for (AbstractPreferences cachedKid : cachedKids)
1436         AbstractPreferences[] cachedKids;
1445         for (AbstractPreferences cachedKid : cachedKids)
1538                 AbstractPreferences src=(AbstractPreferences)event.getSource();