code: def main(cfg) -> None:
      tokenizer = get_tokenizer(cfg.tokenizer)
      start_sentence_bert_server(
          cfg.name,
          cfg.sentence_bert.devices,
          tokenizer,
          cfg.sentence_bert.sentence_bert,
          cfg.sentence_bert.sentence_bert_batch,
          port=cfg.sentence_bert.port,
      )
  
imports: from nemo.collections.nlp.modules.common.megatron.retrieval_services.bert_service import start_sentence_bert_server
  from nemo.collections.nlp.modules.common.tokenizer_utils import get_nmt_tokenizer
  from nemo.core.config import hydra_runner
label_desc: Use image node_id 2 for calling a global function with example usage: main(cfg) without return types