code: def export_default() -> None:
      default_alpha = 1.0
      node = onnx.helper.make_node(
          "ThresholdedRelu", inputs=["x"], outputs=["y"]
      )
      x = np.random.randn(3, 4, 5).astype(np.float32)
      y = np.clip(x, default_alpha, np.inf)
      y[y == default_alpha] = 0
  
      expect(
          node,
          inputs=[x],
          outputs=[y],
          name="test_thresholdedrelu_default",
      )
  
file_path: onnx/onnx/backend/test/case/node/thresholdedrelu.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
label_desc: Use image node_id 2 for calling the ThresholdedRelu obj's underlying member method code with example usage: obj.export_default() without return types