// indexes are checked and merged when the CAS is built
protected boolean isValidImport(String title, String message) {
CAS savedCAS = editor.getCurrentView();
TypePriorities savedTP = editor.getMergedTypePriorities();
if (null != savedTP)
savedTP = (TypePriorities) savedTP.clone();
try {
editor.setMergedTypePriorities();
editor.descriptorCAS.validate();
} catch (ResourceInitializationException e1) {
revertMsg(title, message, editor.getMessagesToRootCause(e1));