code: def parameters(*testcases):  # pylint: disable=invalid-name
      """A decorator for creating parameterized tests.
  
      See the module docstring for a usage example.
      Args:
        *testcases: Parameters for the decorated method, either a single
                    iterable, or a list of tuples/dicts/objects (for tests
                    with only one argument).
  
      Returns:
         A test generator to be handled by TestGeneratorMetaclass.
      """
      return _ParameterDecorator(_ARGUMENT_REPR, testcases)
  
imports: import functools
  import re
  import types
  import uuid
  import six
label_desc: Use image node_id 8 for calling a global function with example usage: parameters() and returns: _ParameterDecorator