docs: private synchronized Producer<Void> getNetworkFetchToEncodedMemoryPrefetchSequence() {
      if (FrescoSystrace.isTracing()) {
        FrescoSystrace.beginSection(
            "ProducerSequenceFactory#getNetworkFetchToEncodedMemoryPrefetchSequence");
      }
      if (mNetworkFetchToEncodedMemoryPrefetchSequence == null) {
        if (FrescoSystrace.isTracing()) {
          FrescoSystrace.beginSection(
              "ProducerSequenceFactory#getNetworkFetchToEncodedMemoryPrefetchSequence:init");
        }
        mNetworkFetchToEncodedMemoryPrefetchSequence =
            ProducerFactory.newSwallowResultProducer(
                getBackgroundNetworkFetchToEncodedMemorySequence());
        if (FrescoSystrace.isTracing()) {
          FrescoSystrace.endSection();
        }
      }
      if (FrescoSystrace.isTracing()) {
        FrescoSystrace.endSection();
      }
      return mNetworkFetchToEncodedMemoryPrefetchSequence;
    }