docs: def DEFINE_float(flag_name, default_value, docstring, required=False):  # pylint: disable=invalid-name
      """Defines a flag of type 'float'.
      Args:
          flag_name: The name of the flag as a string.
          default_value: The default value the flag should take as a float.
          docstring: A helpful message explaining the use of the flag.
      """
      _define_helper(flag_name, default_value, docstring, float, required)