code: def test_image_decoder_tiff_with_alpha_16bit():
      for device in ["cpu", "mixed"]:
          for out_type in [
              types.RGB,
              types.BGR,
              types.YCbCr,
              types.ANY_DATA,
          ]:
              path = "db/single/multichannel/with_alpha_16bit"
              for ext in [("png", "tiff", "jp2")]:
                  yield _testimpl_image_decoder_tiff_with_alpha_16bit, device, out_type, path, ext
  
imports: import glob
  import math
  import numpy
  import nvidia.dali.backend
  import nvidia.dali.fn
  import nvidia.dali.types
  import os
  import random
  from nvidia.dali import pipeline_def
  from nose2.tools import params
  from nose_utils import assert_raises
  from test_utils import check_output_pattern
  from test_utils import compare_pipelines
  from test_utils import get_dali_extra_path
  from test_utils import to_array
label_desc: Use image node_id 19 for calling a global function with example usage: test_image_decoder_tiff_with_alpha_16bit() without return types