class_docstr: Images Plugin for TensorBoard.
code: def frontend_metadata(self):
      return base_plugin.FrontendMetadata(
          element_name="tf-image-dashboard"
      )
  
imports: import imghdr
  import urllib.parse
  from werkzeug import wrappers
  from tensorboard import errors
  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.image import metadata
label_desc: Use image node_id 4 for calling the ImagesPlugin obj's underlying member method code with example usage: obj.frontend_metadata() and returns: base_plugin