code: def declare_state_and_memory(
      self, previous_state: State
  ) -> Tuple[State, AllocationQuery]:
      max_size = self.metadata["size"].max()
  
      my_shape = (max_size,)
      return (
          replace(
              previous_state, jit_mode=True, shape=my_shape, dtype="<u1"
          ),
          AllocationQuery(my_shape, dtype="<u1"),
      )
  
imports: from typing import Callable, TYPE_CHECKING, Tuple, Type
  from dataclasses import replace
  import numpy
  from .base import Field, ARG_TYPE
  from ..pipeline.operation import Operation
  from ..pipeline.state import State
  from ..pipeline.compiler import Compiler
  from ..pipeline.allocation_query import AllocationQuery
  from ..libffcv import memcpy
label_desc: Use image node_id 1 for calling the BytesDecoder obj's underlying member method code with example usage: obj.declare_state_and_memory(previous_state) and returns: replace,  AllocationQuery