class_docstr: Embedding projector.
class_docstr_tok: ["Embedding","projector","."]
docstr: Determines whether the plugin is active.
  
  This method is run in a separate thread so that the plugin can
  offer an immediate response to whether it is active and
  determine whether it should be active in a separate thread.
code: def _determine_is_active(self):
      """Determines whether the plugin is active.
  
      This method is run in a separate thread so that the plugin can
      offer an immediate response to whether it is active and
      determine whether it should be active in a separate thread.
      """
      self._update_configs()
      if self._configs:
          self._is_active = True
      self._thread_for_determining_is_active = None
  
imports: import collections
  import functools
  import imghdr
  import mimetypes
  import os
  import threading
  import numpy
  from werkzeug import wrappers
  from google.protobuf import json_format
  from google.protobuf import text_format
  from tensorboard import context
  from tensorboard.backend.event_processing import plugin_asset_util
  from tensorboard.backend.http_util import Respond
  from tensorboard.compat import tf
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.projector import metadata
  from tensorboard.plugins.projector.projector_config_pb2 import ProjectorConfig
  from tensorboard.util import tb_logging
label_desc: Use image node_id 5 for calling the ProjectorPlugin obj's underlying member method code with example usage: obj._determine_is_active() without return types