code: def testVectorDecodeWithOffset(self):
      text = constant_op.constant(["仅今年前".encode("utf-8"), b"hello"])
      chars, starts = ragged_string_ops.unicode_decode_with_offsets(
          text, "utf-8"
      )
      expected_chars = [
          [ord(c) for c in "仅今年前"],
          [ord(c) for c in "hello"],
      ]
      self.assertAllEqual(chars, expected_chars)
      self.assertAllEqual(starts, [[0, 3, 6, 9], [0, 1, 2, 3, 4]])
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_string_ops
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the UnicodeDecodeTest obj's underlying member method code with example usage: obj.testVectorDecodeWithOffset() without return types