public static void execute(Instance instance, ClientExec<MasterClientService.Client> exec)
     throws AccumuloException, AccumuloSecurityException {
   try {
     executeGeneric(instance, exec);
   } catch (TableNotFoundException e) {
     throw new AssertionError(e);
   }
 }
 public static void executeNamespace(
     Instance instance, ClientExec<MasterClientService.Client> exec)
     throws AccumuloException, AccumuloSecurityException, NamespaceNotFoundException {
   try {
     executeGeneric(instance, exec);
   } catch (TableNotFoundException e) {
     if (e.getCause() instanceof NamespaceNotFoundException)
       throw (NamespaceNotFoundException) e.getCause();
   }
 }
 public static void executeTable(Instance instance, ClientExec<MasterClientService.Client> exec)
     throws AccumuloException, AccumuloSecurityException, TableNotFoundException {
   executeGeneric(instance, exec);
 }