JDBCFetchPlan fPlan = (JDBCFetchPlan) oem.getFetchPlan();
fPlan.setHint("unrecognized.prop.name", "unrecognized.prop.value");
assertEquals(null, fPlan.getHint("unrecognized.prop.name"));
fPlan.addHints(null);
fPlan.addHints(new HashMap<String,Object>());
OpenJPAConfiguration conf = oem.getConfiguration();
if (conf instanceof JDBCConfiguration
&& ((JDBCConfiguration) conf).getDBDictionaryInstance()