private void addTimers(JMeterTreeModel model, JMeterTreeNode node, long deltaT) {
TestPlan variables = new TestPlan();
variables.addParameter("T", Long.toString(deltaT)); // $NON-NLS-1$
ValueReplacer replacer = new ValueReplacer(variables);
JMeterTreeNode mySelf = model.getNodeOf(this);
Enumeration<JMeterTreeNode> children = mySelf.children();
while (children.hasMoreElements()) {
JMeterTreeNode templateNode = children.nextElement();
if (templateNode.isEnabled()) {
TestElement template = templateNode.getTestElement();
if (template instanceof Timer) {