code: def add_global_request_interceptor(self, request_interceptor):
          # type: (AbstractRequestInterceptor) -> None
          
          if request_interceptor is None:
              raise RuntimeConfigException(
                  "Valid Request Interceptor instance to be provided")
  
          if not isinstance(request_interceptor, AbstractRequestInterceptor):
              raise RuntimeConfigException(
                  "Input should be a RequestInterceptor instance")
  
          self.global_request_interceptors.append(request_interceptor)
docs: Register input to the global request interceptors list.
  
          :param request_interceptor: Request Interceptor instance to be
              registered.
          :type request_interceptor: AbstractRequestInterceptor
          :return: None