MethodWrapper[] callers= wrapper.getCalls();
MethodWrapper[] callers= wrapper.getCalls(new NullProgressMonitor());
    public void testInitializerCallers() throws Exception {        helper.createStaticInitializerClass();        IMethod someMethod= helper.getType1().getMethod("someMethod", EMPTY);        IInitializer initializer= helper.getType1().getInitializer(1);        Collection expectedCallers= new ArrayList();        expectedCallers.add(initializer);        MethodWrapper wrapper= CallHierarchy.getDefault().getCallerRoot(someMethod);        MethodWrapper[] callers= wrapper.getCalls();        assertRecursive(callers, false);        helper.assertCalls(expectedCallers, callers);    }