/**
  *
  *
  * <pre>
  * Clients should wait at least this long between retrying the same request.
  * </pre>
  *
  * <code>optional .google.protobuf.Duration retry_delay = 1;</code>
  */
 public com.google.protobuf.DurationOrBuilder getRetryDelayOrBuilder() {
   if (retryDelayBuilder_ != null) {
     return retryDelayBuilder_.getMessageOrBuilder();
   } else {
     return retryDelay_ == null
         ? com.google.protobuf.Duration.getDefaultInstance()
         : retryDelay_;
   }
 }
 /**
  *
  *
  * <pre>
  * Clients should wait at least this long between retrying the same request.
  * </pre>
  *
  * <code>optional .google.protobuf.Duration retry_delay = 1;</code>
  */
 public com.google.protobuf.Duration getRetryDelay() {
   return retryDelay_ == null ? com.google.protobuf.Duration.getDefaultInstance() : retryDelay_;
 }