class_docstr: Abstract class providing a method for constructing 2D random arrays.
  
  Class is responsible for constructing 2D random arrays.
class_docstr_tok: ["Abstract","class","providing","a","method","for","constructing","2D","random","arrays",".","Class","is","responsible","for","constructing","2D","random","arrays","."]
code: def get_2d_array(self):
      raise NotImplementedError("Abstract method")
  
imports: import abc
  import enum
  import functools
  from typing import Any, Callable, Dict, Optional, Sequence, Tuple, Iterable
  from absl import logging
  from flax import linen
  import jax
  from jax import lax
  from jax import random
  import jax.numpy
  import numpy
  from scenic.model_lib.layers import attention_layers
label_desc: Use image node_id 1 for calling the RandomMatrix obj's underlying member method code with example usage: obj.get_2d_array() without return types