code: def export() -> None:
      node = onnx.helper.make_node(
          "BitwiseNot",
          inputs=["x"],
          outputs=["bitwise_not"],
      )
  
      # 2d
      x = create_random_int((3, 4), np.int32)
      y = np.bitwise_not(x)
      expect(node, inputs=[x], outputs=[y], name="test_bitwise_not_2d")
  
      # 3d
      x = create_random_int((3, 4, 5), np.uint16)
      y = np.bitwise_not(x)
      expect(node, inputs=[x], outputs=[y], name="test_bitwise_not_3d")
  
      # 4d
      x = create_random_int((3, 4, 5, 6), np.uint8)
      y = np.bitwise_not(x)
      expect(node, inputs=[x], outputs=[y], name="test_bitwise_not_4d")
  
file_path: onnx/onnx/backend/test/case/node/bitwisenot.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
  from onnx.numpy_helper import create_random_int
label_desc: Use image node_id 1 for calling the BitwiseNot obj's underlying member method code with example usage: obj.export() without return types