class_docstr: DatasetBuilder for wikiann dataset.
class_docstr_tok: ["DatasetBuilder","for","wikiann","dataset","."]
docstr: Returns the dataset metadata.
docstr_tok: ["Returns","the","dataset","metadata","."]
code: def _info(self) -> tfds.core.DatasetInfo:
      """Returns the dataset metadata."""
      features = tfds.features.FeaturesDict(
          {
              "tokens": tfds.features.Sequence(tfds.features.Text()),
              "tags": tfds.features.Sequence(
                  tfds.features.ClassLabel(
                      names=[
                          "O",
                          "B-PER",
                          "I-PER",
                          "B-ORG",
                          "I-ORG",
                          "B-LOC",
                          "I-LOC",
                      ]
                  )
              ),
              "langs": tfds.features.Sequence(tfds.features.Text()),
              "spans": tfds.features.Sequence(tfds.features.Text()),
          }
      )
      return tfds.core.DatasetInfo(
          builder=self,
          description=_DESCRIPTION,
          features=features,
          supervised_keys=None,
          homepage="https://github.com/afshinrahimi/mmner",
          citation=_CITATION,
      )
  
file_path: datasets/tensorflow_datasets/text/wikiann/wikiann.py
imports: import os
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the Wikiann obj's underlying member method code with example usage: obj._info() and returns: tfds