def METHOD_NAME(self) -> None:
    """apply matplotlibrc config from plottr configuration files."""
    cfg = plottrconfig().get('main', {}).get('matplotlibrc', {})
    for k, v in cfg.items():
        rcParams[k] = v
    rcParams['font.size'] = cfg.get('font.size', 6) * dpiScalingFactor(self)