}

    @Override
    public boolean isActual() {
        return true;
    }

    @Override
    public boolean isCollection() {
        return false;
    }

    @Override
    public boolean isLeaf() {
        return true;
    }

    @Override
    public void setValue(Object value) {
        throw new UnsupportedOperationException();
    }

    public QName getName() {
        return new QName(null, node.name());
    }

    @Override
    public boolean isCollection() {
        return false;
    }

    @Override
    public boolean isLeaf() {
        return node.children().isEmpty();
    }

    @Override
    public void setValue(Object value) {
        throw new UnsupportedOperationException();
    }

    @Override

		for delKey := range strings.FieldsSeq(inputs[1]) {
			_, ok := currKVS.Lookup(delKey)
			if !ok {
				return Error[ErrConfigNotFound]("key %s doesn't exist", delKey)
			}
			defVal, isDef := defKVS.Lookup(delKey)
			if isDef {
				currKVS.Set(delKey, defVal)
			} else {
				currKVS.Delete(delKey)
			}
		}
		c[subSys][tgt] = currKVS
	} else {
		delete(c[subSys], tgt)
	}
	return nil
}