private void importRlpBlocks(final BesuController controller, final Path path)
        throws IOException {
      parentCommand
          .rlpBlockImporter
          .get()
          .importBlockchain(path, controller, skipPow, startBlock, endBlock);
    }
blocks import sub-command

<p>Imports blocks from a file into the database
app/src/main/java/org/hyperledger/besu/cli/subcommands/blocks/BlocksSubCommand.java