code: def _info(self):
      return evaluate.MetricInfo(
          description=_DESCRIPTION,
          citation=_CITATION,
          homepage="https://github.com/Tiiiger/bert_score",
          inputs_description=_KWARGS_DESCRIPTION,
          features=[
              datasets.Features(
                  {
                      "predictions": datasets.Value(
                          "string", id="sequence"
                      ),
                      "references": datasets.Sequence(
                          datasets.Value("string", id="sequence"),
                          id="references",
                      ),
                  }
              ),
              datasets.Features(
                  {
                      "predictions": datasets.Value(
                          "string", id="sequence"
                      ),
                      "references": datasets.Value(
                          "string", id="sequence"
                      ),
                  }
              ),
          ],
          codebase_urls=["https://github.com/Tiiiger/bert_score"],
          reference_urls=[
              "https://github.com/Tiiiger/bert_score",
              "https://arxiv.org/abs/1904.09675",
          ],
      )
  
file_path: evaluate/metrics/bertscore/bertscore.py
imports: import functools
  from contextlib import contextmanager
  import bert_score
  import datasets
  from packaging import version
  import evaluate
label_desc: Use image node_id 1 for calling the BERTScore obj's underlying member method code with example usage: obj._info() and returns: evaluate