def METHOD_NAME(self):
    """Generates a stub dpex kernel for the parfor as a string.
    Returns:
        str: A string representing a stub kernel function for the parfor.
    """
    kernel_txt = ""
    # Create the dpex kernel function.
    kernel_txt += "def " + self._kernel_name
    kernel_txt += "(" + (", ".join(self._kernel_params)) + "):\n"
    global_id_dim = 0
    for_loop_dim = self._kernel_rank
    global_id_dim = self._kernel_rank
    for dim in range(global_id_dim):
        dimstr = str(dim)
        kernel_txt += (
            f"    {self._ivar_names[dim]} = dpex.get_global_id({dimstr})\n"
        )
    for dim in range(global_id_dim, for_loop_dim):
        for indent in range(1 + (dim - global_id_dim)):
            kernel_txt += "    "
        start, stop, step = self._loop_ranges[dim]
        st = str(self._param_dict.get(str(start), start))
        en = str(self._param_dict.get(str(stop), stop))
        kernel_txt += (
            f"for {self._ivar_names[dim]} in range({st}, {en} + 1):\n"
        )
    for dim in range(global_id_dim, for_loop_dim):
        for _ in range(1 + (dim - global_id_dim)):
            kernel_txt += "    "
    # Add the sentinel assignment so that we can find the loop body position
    # in the IR.
    kernel_txt += "    "
    kernel_txt += self._sentinel_name + " = 0\n"
    # A kernel function does not return anything
    kernel_txt += "    return None\n"
    return kernel_txt