code: def maxlen(self) -> int:
      return int(self.data.shape[0])
  
imports: from typing import Union, Tuple, Optional, Any
  from typing_extensions import Literal
  import numpy
  import eagerpy
  import logging
  from ..devutils import flatten
  from ..devutils import atleast_kd
  from ..types import Bounds
  from ..models import Model
  from ..criteria import Criterion
  from ..distances import l2
  from ..tensorboard import TensorBoard
  from .blended_noise import LinearSearchBlendedUniformNoiseAttack
  from .base import MinimizationAttack
  from .base import T
  from .base import get_criterion
  from .base import get_is_adversarial
  from .base import raise_if_kwargs
  from .base import verify_input_bounds
label_desc: Use image node_id 2 for calling the ArrayQueue obj's underlying member method code with example usage: obj.maxlen() and returns: int