public KeyTreeNode update(String prefix) {
KeyTreeNode root = new KeyTreeNode(value, isLeave, isDeleted, isArray);
if (this.getAlterKey() != null) {
root.setAlterKey(this.alterKey.updateKey(prefix));
}
this.getChildren()
.forEach(
(key, childNode) -> {
KeyTreeNode childRoot = childNode.update(prefix);
root.getChildren().put(key, childRoot);
});
return root;
}
public void addChild(KeyTreeNode child) {
children.put(child.getValue(), child);
}