MethodWrapper[] callers= wrapper.getCalls();
MethodWrapper[] callers= wrapper.getCalls(new NullProgressMonitor());
    public void testImplicitConstructorCallers() throws Exception {        helper.createSimpleClasses();                IMethod constructorA= helper.getType1().getMethod("A", EMPTY);        Collection expectedCallers= new ArrayList();        expectedCallers.add(helper.getType2());        MethodWrapper wrapper= CallHierarchy.getDefault().getCallerRoot(constructorA);        MethodWrapper[] callers= wrapper.getCalls();        assertRecursive(callers, false);        helper.assertCalls(expectedCallers, callers);    }