code: def _get_current_buffer(self):
      return self.buffers[self.current_index]
  
imports: import torch
  from deepspeed.utils.logging import logger
  from deepspeed.accelerator import get_accelerator
  from deepspeed import comm
label_desc: Use image node_id 11 for calling the SwapBufferPool obj's underlying member method code with example usage: obj._get_current_buffer() and returns: self