code: def start(self, configs: Dict[str, any]):
      self.app_tracker.add_handler(
          AppUrlResponseHandler(
              self.open_browser, "Monitor computer at "
          )
      )
      with self.lock:
          self.data["configs"] = configs
          self.data["name"] = "My computer"
  
      self.app_tracker.has_data(self)
  
imports: import threading
  import time
  from typing import Dict
  from typing import Union
  import numpy
  from ..app import AppTracker, Packet, AppTrackDataSource
  from ..app.url import AppUrlResponseHandler
label_desc: Use image node_id 3 for calling the Header obj's underlying member method code with example usage: obj.start(configs) without return types