code: def create_disk(
      self,
      instance_name: str,
      disk_name: str,
      size_in_gb: int,
      mount_path: str,
  ) -> CloudDisk:
      raise NotImplementedError
  
file_path: hail/batch/batch/worker/worker_api.py
imports: import abc
  from typing import Dict, List, TypedDict
  from hailtop import httpx
  from hailtop.utils import CalledProcessError, sleep_before_try
  from ..instance_config import InstanceConfig
  from .disk import CloudDisk
label_desc: Use image node_id 2 for calling the CloudWorkerAPI obj's underlying member method code with example usage: obj.create_disk(instance_name, disk_name, size_in_gb, mount_path) without return types