code: def get_process_count(cls) -> int:
      processes_per_slice = cls._get_process_count_per_slice()
      num_slices = int(get_tpu_env_value("MEGASCALE_NUM_SLICES"))
      return processes_per_slice * num_slices
  
imports: from __future__ import annotations
  import os
  import re
  import socket
  import time
  from jax._src import clusters
  from jax._src.cloud_tpu_init import running_in_cloud_tpu_vm
label_desc: Use image node_id 3 for calling the MultisliceGceTpuCluster obj's underlying member method code with example usage: obj.get_process_count(cls) and returns: unknown