code: def deserial(self, serialized: Dict, context: Dict, subs: List):
      reader = pa.RecordBatchStreamReader(pa.BufferReader(subs[0]))
      if serialized[0] == "T":
          return reader.read_all()
      else:
          return reader.read_next_batch()
  
imports: from typing import Union, List, Dict, Any
  from .core import Serializer, buffered
label_desc: Use image node_id 2 for calling the ArrowBatchSerializer obj's underlying member method code with example usage: obj.deserial(serialized, context, subs) and returns: reader, reader