def __init__(
        self, axes, loc, *,
        size=None, width=None, color=None, major=True, pad=None, zorder=None,  # global
        tickdir=None, tick1On=True, tick2On=True,  # tick prop
        labelsize=None, labelcolor=None, labelrotation=0,  # label prop
        label1On=True, label2On=False,  # label prop
        grid_color=None, grid_linestyle=None, grid_linewidth=None,  # grid prop
        grid_alpha=None, gridOn=None,  # grid prop
        **kwargs,  # Other Line2D kwargs applied to gridlines.
    ):

remaining_kwargs = {
            k: v for k, v in kwargs.items() if not k.startswith('grid_')}
        if remaining_kwargs:
            raise ValueError(f"Invalid kwargs: {remaining_kwargs.keys()}")