code: def register_plugin(
      plugin_name: str,
      *,
      priority: int = 400,
      library_path: str | None = None,
      options: Mapping[str, str | int | list[int] | float | bool]
      | None = None,
  ) -> None:
      """Registers a backend factory for the PJRT plugin.
  
      Args:
        plugin_name: the name of the plugin.
        priority: the priority this plugin should be registered in jax backends.
          Default to be 400.
        library_path: Optional. The full path to the .so file of the plugin.
          Required when the plugin is dynamically linked.
        options: Optional. It is used when creating a PJRT plugin client.
      """
  
      def factory():
          if not xla_client.pjrt_plugin_initialized(plugin_name):
              xla_client.initialize_pjrt_plugin(plugin_name)
  
          if distributed.global_state.client is None:
              return xla_client.make_c_api_client(
                  plugin_name, options, None
              )
          distribute_options = {
              "node_id": distributed.global_state.process_id,
              "num_nodes": distributed.global_state.num_processes,
          }
          if options is not None:
              distribute_options.update(options)
          return xla_client.make_c_api_client(
              plugin_name,
              distribute_options,
              distributed.global_state.client,
          )
  
      logger.debug(
          "registering PJRT plugin %s from %s",
          plugin_name,
          library_path,
      )
      experimental = plugin_name not in _nonexperimental_plugins
      register_backend_factory(
          plugin_name,
          factory,
          priority=priority,
          fail_quietly=False,
          experimental=experimental,
      )
      if library_path is not None:
          c_api = xla_client.load_pjrt_plugin_dynamically(plugin_name, library_path)  # type: ignore
          xla_client.profiler.register_plugin_profiler(c_api)
          return c_api
      return None
  
imports: from __future__ import annotations
  from __future__ import annotations
  from collections.abc import Mapping
  import dataclasses
  from functools import lru_cache, partial
  import importlib
  import json
  import logging
  import os
  import pkgutil
  import platform
  import sys
  import threading
  from typing import Any, Callable, Union
  import warnings
  from jax._src import config
  from jax._src import distributed
  from jax._src import traceback_util
  from jax._src import util
  from jax._src import hardware_utils
  from jax._src.cloud_tpu_init import maybe_import_libtpu
  from jax._src.lib import cuda_versions
  from jax._src.lib import xla_client
  from jax._src.lib import xla_extension
  from jax._src.lib import xla_extension_version
label_desc: Use image node_id 11 for calling a global function with example usage: register_plugin(plugin_name) and returns: None, xla_client, c_api, xla_client