class_docstr: Wrapper class for machine translation.
code: def output_spec(self):
      return lit_types.remap_spec(
          self.wrapped.output_spec(), self.FIELD_RENAMES
      )
  
imports: import re
  import attr
  from lit_nlp.api import model
  from lit_nlp.api import types
  from lit_nlp.examples.models import model_utils
  from lit_nlp.lib import file_cache
  from lit_nlp.lib import utils
  import tensorflow
  import tensorflow_text
  import transformers
  from rouge_score import rouge_scorer
label_desc: Use image node_id 6 for calling the TranslationWrapper obj's underlying member method code with example usage: obj.output_spec() and returns: lit_types