}
public static ClassImportResolverFactory findClassImportResolverFactory(VariableResolverFactory factory, ParserContext pCtx) {
if (factory == null) {
throw new OptimizationFailure("unable to import classes. no variable resolver factory available.");
}
for (VariableResolverFactory v = factory; v != null; v = v.getNextFactory()) {
if (v instanceof ClassImportResolverFactory) {
return (ClassImportResolverFactory) v;