class_docstr: Text Plugin for TensorBoard.
code: def frontend_metadata(self):
      return base_plugin.FrontendMetadata(
          element_name="tf-text-dashboard"
      )
  
imports: import textwrap
  import numpy
  from werkzeug import wrappers
  from tensorboard import plugin_util
  from tensorboard.backend import http_util
  from tensorboard.data import provider
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.text import metadata
label_desc: Use image node_id 3 for calling the TextPlugin obj's underlying member method code with example usage: obj.frontend_metadata() and returns: base_plugin