final List<ValidationMessage> nonKieResourceValidatorAddedMessages = new ArrayList<ValidationMessage>();
final List<ValidationMessage> nonKieResourceValidatorRemovedMessages = new ArrayList<ValidationMessage>();
for ( final Map.Entry<org.uberfire.backend.vfs.Path, Collection<ResourceChange>> pathCollectionEntry : changes.entrySet() ) {
for ( final ResourceChange change : pathCollectionEntry.getValue() ) {
final ResourceChangeType type = change.getType();
final Path resource = Paths.convert( pathCollectionEntry.getKey() );
checkNotNull( "type", type );
checkNotNull( "resource", resource );