@@ -401,31 +401,31 @@ private void stopConnections(List<? extends ApiService> connections) {
401401 public static final class Builder {
402402 private static final Duration DEFAULT_MAX_ACK_EXTENSION_PERIOD = Duration .ofMinutes (60 );
403403
404- static final ExecutorProvider DEFAULT_EXECUTOR_PROVIDER =
404+ private static final ExecutorProvider DEFAULT_EXECUTOR_PROVIDER =
405405 InstantiatingExecutorProvider .newBuilder ()
406406 .setExecutorThreadCount (THREADS_PER_CHANNEL )
407407 .build ();
408408
409- String subscriptionName ;
410- MessageReceiver receiver ;
409+ private String subscriptionName ;
410+ private MessageReceiver receiver ;
411411
412- Duration maxAckExtensionPeriod = DEFAULT_MAX_ACK_EXTENSION_PERIOD ;
412+ private Duration maxAckExtensionPeriod = DEFAULT_MAX_ACK_EXTENSION_PERIOD ;
413413
414- FlowControlSettings flowControlSettings =
414+ private FlowControlSettings flowControlSettings =
415415 FlowControlSettings .newBuilder ().setMaxOutstandingElementCount (1000L ).build ();
416416
417- ExecutorProvider executorProvider = DEFAULT_EXECUTOR_PROVIDER ;
418- ExecutorProvider systemExecutorProvider = null ;
419- TransportChannelProvider channelProvider =
417+ private ExecutorProvider executorProvider = DEFAULT_EXECUTOR_PROVIDER ;
418+ private ExecutorProvider systemExecutorProvider = null ;
419+ private TransportChannelProvider channelProvider =
420420 SubscriptionAdminSettings .defaultGrpcTransportProviderBuilder ()
421421 .setMaxInboundMessageSize (MAX_INBOUND_MESSAGE_SIZE )
422422 .setKeepAliveTime (Duration .ofMinutes (5 ))
423423 .build ();
424- HeaderProvider headerProvider = new NoHeaderProvider ();
425- CredentialsProvider credentialsProvider =
424+ private HeaderProvider headerProvider = new NoHeaderProvider ();
425+ private CredentialsProvider credentialsProvider =
426426 SubscriptionAdminSettings .defaultCredentialsProviderBuilder ().build ();
427- Optional <ApiClock > clock = Optional .absent ();
428- int parallelPullCount = 1 ;
427+ private Optional <ApiClock > clock = Optional .absent ();
428+ private int parallelPullCount = 1 ;
429429
430430 Builder (String subscriptionName , MessageReceiver receiver ) {
431431 this .subscriptionName = subscriptionName ;
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