code: def experiment_metadata(self, ctx=None, *, experiment_id):
      self._validate_context(ctx)
      self._validate_experiment_id(experiment_id)
      return provider.ExperimentMetadata(data_location=self._logdir)
  
imports: import base64
  import collections
  import json
  import random
  from tensorboard import errors
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.data import provider
  from tensorboard.util import tb_logging
  from tensorboard.util import tensor_util
label_desc: Use image node_id 8 for calling the MultiplexerDataProvider obj's underlying member method code with example usage: obj.experiment_metadata(ctx) and returns: provider