class_docstr: BaseApplicationBackend()
  
  Abstract class that provides an interface between backends and Application.
  Each backend must implement a subclass of ApplicationBackend, and
  implement all its _vispy_xxx methods.
class_docstr_tok: ["BaseApplicationBackend","(",")","Abstract","class","that","provides","an","interface","between","backends","and","Application",".","Each","backend","must","implement","a","subclass","of","ApplicationBackend",",","and","implement","all","its","_vispy_xxx","methods","."]
code: def _vispy_process_events(self):
      raise NotImplementedError()
  
imports: from ..util import SimpleBunch
  import time
  from timeit import default_timer
label_desc: Use image node_id 2 for calling the BaseApplicationBackend obj's underlying member method code with example usage: obj._vispy_process_events() without return types