code: def send(cls, comm, array, peer, stream=None):
      comm._check_contiguous(array)
      stream = comm._get_stream(stream)
      dtype, count = _get_nccl_dtype_and_count(array)
      cls._send(comm, array, peer, dtype, count, stream)
  
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 6 for calling the _DenseNCCLCommunicator obj's underlying member method code with example usage: obj.send(cls, comm, array, peer, stream) without return types