if (root.getInst() instanceof Composite) {
rootComposite = (Composite) root.getInst();
}
impl.createInstance(null, null);
Instance inst1 = CST.apamResolver.resolveImpl(rootComposite, impl,
new HashSet<String>(), new ArrayList<String>());
Instance inst2 = CST.apamResolver.resolveImpl(rootComposite, impl,
new HashSet<String>(), new ArrayList<String>());