def create_footer_component_l(data: GTData) -> str:
    """
    Create the footer component for LaTeX output.

    This function generates the LaTeX code for the footer component of a table which involves the
    source notes.

    Parameters
    ----------
    data : GTData
        The GTData object that contains all the information about the table.

    Returns
    -------
    str
        The LaTeX code for the footer component of the table.
    """

    # Get all source notes as a list
    source_notes = data._source_notes

    if len(source_notes) == 0:
        return ""

    # Ensure that the source notes are processed for LaTeX
    source_notes = [_process_text(x, context="latex") for x in source_notes]

    # Create a formatted source notes string
    source_notes = "\\\\\n".join(source_notes) + "\\\\"

    # Create the footer block
    footer_block = f"""\\begin{{minipage}}{{\\linewidth}}
{source_notes}
\\end{{minipage}}"""

    return footer_block

    Create the footer component for LaTeX output.

    This function generates the LaTeX code for the footer component of a table which involves the
    source notes.

    Parameters
    ----------
    data : GTData
        The GTData object that contains all the information about the table.

    Returns
    -------
    str
        The LaTeX code for the footer component of the table.
    
great_tables/_utils_render_latex.py