code: def testInternationalization(self):
      test_value = constant_op.constant(
          ["J'adore la灯".encode("utf8"), "¡Escríbeme!".encode("utf8")]
      )
      expected_tokens = [
          [
              ord("J"),
              ord("'"),
              ord("a"),
              ord("d"),
              ord("o"),
              ord("r"),
              ord("e"),
              ord(" "),
              ord("l"),
              ord("a"),
              ord("灯"),
          ],
          [
              ord("¡"),
              ord("E"),
              ord("s"),
              ord("c"),
              ord("r"),
              ord("í"),
              ord("b"),
              ord("e"),
              ord("m"),
              ord("e"),
              ord("!"),
          ],
      ]
      expected_offset_starts = [
          [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
          [0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12],
      ]
      expected_offset_ends = [
          [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13],
          [2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13],
      ]
      tokens = self.tokenizer.tokenize(test_value)
      self.assertAllEqual(tokens, expected_tokens)
      (tokens, starts, ends) = self.tokenizer.tokenize_with_offsets(
          test_value
      )
      self.assertAllEqual(tokens, expected_tokens)
      self.assertAllEqual(starts, expected_offset_starts)
      self.assertAllEqual(ends, expected_offset_ends)
  
      detokenized = self.tokenizer.detokenize(tokens)
      self.assertAllEqual(detokenized, test_value)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.platform import test
  from tensorflow_text.python.ops.unicode_char_tokenizer import UnicodeCharTokenizer
label_desc: Use image node_id 10 for calling the UnicodeCharTokenizerOpTest obj's underlying member method code with example usage: obj.testInternationalization() without return types