How to use the pygmt.helpers.fmt_docstring function in pygmt

    @fmt_docstring
    @use_alias(R="region", J="projection", W="pen", B="frame", I="shading", C="cmap")
    @kwargs_to_strings(R="sequence")
    def grdimage(self, grid, **kwargs):
        """
        Project grids or images and plot them on maps.

        Takes a grid file name or an xarray.DataArray object as input.

        Full option list at :gmt-docs:`grdimage.html`

        {aliases}

        Parameters
        ----------
        grid : str or xarray.DataArray
            The file name of the input grid or the grid loaded as a DataArray.

    @fmt_docstring
    @use_alias(
        A="annotation",
        B="frame",
        C="interval",
        G="label_placement",
        J="projection",
        L="limit",
        Q="cut",
        R="region",
        S="resample",
        U="logo",
        W="pen",
    )
    @kwargs_to_strings(R="sequence", L="sequence", A="sequence_plus")
    def grdcontour(self, grid, **kwargs):
        """

    @fmt_docstring
    @use_alias(R="region", J="projection", B="frame")
    @kwargs_to_strings(
        R="sequence",
        textfiles="sequence_space",
        angle="sequence_comma",
        font="sequence_comma",
        justify="sequence_comma",
    )
    def text(
        self,
        textfiles=None,
        x=None,
        y=None,
        text=None,
        angle=None,
        font=None,

@fmt_docstring
@use_alias(G="download")
def which(fname, **kwargs):
    """
    Find the full path to specified files.

    Reports the full paths to the files given through *fname*. We look for
    the file in (1) the current directory, (2) in $GMT_USERDIR (if defined),
    (3) in $GMT_DATADIR (if defined), or (4) in $GMT_CACHEDIR (if defined).

    *fname* can also be a downloadable file (either a full URL, a
    `@file` special file for downloading from the GMT Site Cache, or
    `@earth_relief_*` topography grids). In these cases, use option *download*
    to set the desired behavior. If *download* is not used (or False), the file
    will not be found.

    Full option list at :gmt-docs:`gmtwhich.html`

@fmt_docstring
@use_alias(C="cmap", T="series", G="truncate", H="output", I="reverse", Z="continuous")
@kwargs_to_strings(T="sequence", G="sequence")
def makecpt(**kwargs):
    """
    Creates a static color palette table (CPT).

    Full option list at :gmt-docs:`makecpt.html`

    Parameters
    ----------
    cmap (C) : str
        Selects the master color palette table (CPT) to use in the interpolation.
        Full list of built-in color palette tables can be found at
        :gmt-docs:`cookbook/cpts.html#built-in-color-palette-tables-cpt`.

    series (T) : list or str

    @fmt_docstring
    @use_alias(R="region", J="projection")
    @kwargs_to_strings(R="sequence")
    def image(self, imagefile, **kwargs):
        """
        Place images or EPS files on maps.

        Reads an Encapsulated PostScript file or a raster image file and plots
        it on a map.

        Full option list at :gmt-docs:`image.html`

        {aliases}

        Parameters
        ----------
        {J}

    @fmt_docstring
    @use_alias(
        R="region",
        J="projection",
        B="frame",
        C="cmap",
        D="position",
        F="box",
        G="truncate",
        W="scale",
    )
    @kwargs_to_strings(R="sequence", G="sequence")
    def colorbar(self, **kwargs):
        """
        Plot a gray or color scale-bar on maps.

        Both horizontal and vertical scales are supported. For CPTs with

    @fmt_docstring
    @use_alias(
        R="region",
        J="projection",
        B="frame",
        S="style",
        G="color",
        W="pen",
        i="columns",
        l="label",
        C="cmap",
    )
    @kwargs_to_strings(R="sequence", i="sequence_comma")
    def plot(self, x=None, y=None, data=None, sizes=None, direction=None, **kwargs):
        """
        Plot lines, polygons, and symbols on maps.

    @fmt_docstring
    @use_alias(
        R="region",
        J="projection",
        B="frame",
        S="skip",
        G="label_placement",
        W="pen",
        L="triangular_mesh_pen",
        i="columns",
        C="levels",
    )
    @kwargs_to_strings(R="sequence", i="sequence_comma")
    def contour(self, x=None, y=None, z=None, data=None, **kwargs):
        """
        Contour table data by direct triangulation.

    @fmt_docstring
    @use_alias(R="region", J="projection")
    @kwargs_to_strings(R="sequence")
    def logo(self, **kwargs):
        """
        Place the GMT graphics logo on a map.

        By default, the GMT logo is 2 inches wide and 1 inch high and
        will be positioned relative to the current plot origin.
        Use various options to change this and to place a transparent or
        opaque rectangular map panel behind the GMT logo.

        Full option list at :gmt-docs:`logo.html`

        {aliases}

        Parameters