public BesuControllerBuilder isParallelTxProcessingEnabled(
      final boolean isParallelTxProcessingEnabled) {
    this.isParallelTxProcessingEnabled = isParallelTxProcessingEnabled;
    return this;
  }
Sets whether parallel transaction processing is enabled. When parallel transaction processing
is enabled, transactions within a block can be processed in parallel and potentially improving
performance

@param isParallelTxProcessingEnabled true to enable parallel transaction
@return the besu controller
app/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java