@java.lang.Override
    public com.google.protobuf.Timestamp getExpireTime() {
      if (expireTimeBuilder_ == null) {
        if (expirationCase_ == 13) {
          return (com.google.protobuf.Timestamp) expiration_;
        }
        return com.google.protobuf.Timestamp.getDefaultInstance();
      } else {
        if (expirationCase_ == 13) {
          return expireTimeBuilder_.getMessage();
        }
        return com.google.protobuf.Timestamp.getDefaultInstance();
      }
    }
<pre>
Non-empty default. The timestamp in UTC when the subscription expires.
Always displayed on output, regardless of what was used on input.
</pre>

<code>
.google.protobuf.Timestamp expire_time = 13 [(.google.api.field_behavior) = NON_EMPTY_DEFAULT];
</code>

@return The expireTime.
java-workspaceevents/proto-google-cloud-workspaceevents-v1/src/main/java/com/google/apps/events/subscriptions/v1/Subscription.java