code: def deserialize_batch(
      buffer: BufShmChunk, shared_batch_meta: SharedBatchMeta
  ):
      """Deserialize samples from the smem buffer and SampleMeta descriptions.
  
      Parameters
      ----------
      buffer : BufShmChunk
          Shared memory chunk with serialized sample data
      shared_batch_meta : SharedBatchMeta
          Metadata about serialized data in memory
  
      Returns
      -------
      List of (idx, numpy array) or (idx, tuple of numpy arrays)
          List of indexed deserialized samples
      """
      samples = deserialize_sample_meta(buffer, shared_batch_meta)
      return [deserialize_sample(buffer, sample) for sample in samples]
  
imports: import os
  from nvidia.dali._multiproc import shared_mem
  from nvidia.dali._multiproc.messages import ShmMessageDesc
  from nvidia.dali._utils.external_source_impl import assert_cpu_sample_data_type, sample_to_numpy
  import pickle
label_desc: Use image node_id 6 for calling a global function with example usage: deserialize_batch(buffer, shared_batch_meta) and returns: unknown