access1 = (DataRefAccessExprNode) dataRef.getChild(1);
assertFalse(access1.isNullSafe());
DataRefNode childDataRef = (DataRefNode) access1.getChild(0);
assertTrue(childDataRef.isIjDataRef());
assertFalse(childDataRef.isNullSafeIjDataRef());
assertEquals("$ij.foo", childDataRef.toSourceString());
}
public void testParseGlobal() throws Exception {