public Collection<StreamsMetadata> getAllMetadata() {
        return Collections.unmodifiableList(allMetadata);
    }
Find all of the {@link StreamsMetadata}s in a
{@link KafkaStreams application}

@return all the {@link StreamsMetadata}s in a {@link KafkaStreams} application
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamsMetadataState.java