code: def send_recv(cls, comm, in_array, out_array, peer, stream=None):
      nccl.groupStart()
      cls.send(comm, in_array, peer, stream)
      cls.recv(comm, out_array, peer, stream)
      nccl.groupEnd()
  
imports: import numpy
  import warnings
  import cupy
  from cupy.cuda import nccl
  from cupyx.distributed import _store
  from cupyx.distributed._comm import _Backend
  from cupyx.scipy import sparse
label_desc: Use image node_id 14 for calling the _SparseNCCLCommunicator obj's underlying member method code with example usage: obj.send_recv(cls, comm, in_array, out_array, peer, stream) without return types