code: def create(buffer_capacity: int, buffer_initial_size: int, priority_exponent: float, priority_weight: Schedule,
             priority_epsilon: float, frame_stack_compensation: bool = False, frame_history: int = 1):
      
      return PrioritizedCircularVecEnvBufferBackendFactory(
          buffer_capacity=buffer_capacity,
          buffer_initial_size=buffer_initial_size,
          priority_exponent=priority_exponent,
          priority_weight=priority_weight,
          priority_epsilon=priority_epsilon,
          frame_stack_compensation=frame_stack_compensation,
          frame_history=frame_history
      )
docs: Vel factory function