@Override
          public void handleBlockIndex(final Era1BlockIndex blockIndex) {
            // not really necessary, do nothing
          }
Imports the blocks, headers, and transaction receipts from the file found at the supplied path

@param controller The BesuController
@param path The path
@throws IOException IOException
@throws ExecutionException ExecutionException
@throws InterruptedException InterruptedException
@throws TimeoutException TimeoutException
app/src/main/java/org/hyperledger/besu/chainimport/Era1BlockImporter.java