public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
      if (expireTimeBuilder_ != null) {
        return expireTimeBuilder_.getMessageOrBuilder();
      } else {
        return expireTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : expireTime_;
      }
    }
<pre>
Time at which the generated token will expire.
</pre>

<code>.google.protobuf.Timestamp expire_time = 2;</code>
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/GenerateAccessTokenResponse.java