@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        final StreamsMetadata that = (StreamsMetadata) o;
        return Objects.equals(hostInfo, that.hostInfo)
            && Objects.equals(stateStoreNames, that.stateStoreNames)
            && Objects.equals(topicPartitions, that.topicPartitions)
            && Objects.equals(standbyStateStoreNames, that.standbyStateStoreNames)
            && Objects.equals(standbyTopicPartitions, that.standbyTopicPartitions);
    }
State stores owned by the instance as a standby replica

@return set of standby state store names
streams/src/main/java/org/apache/kafka/streams/state/StreamsMetadata.java