How to use the paperwork.frontend.util.actions.SimpleAction.__init__ function in paperwork

def __init__(self, multiscan_win, config, docsearch, main_win):
        SimpleAction.__init__(self, "Start multi-scan")
        self.__multiscan_win = multiscan_win
        self.__config = config
        self.__docsearch = docsearch
        self.__main_win = main_win

def __init__(self, main_window):
        SimpleAction.__init__(self, "Toggle all boxes visibility")
        self.__main_win = main_window

def __init__(self, main_window):
        SimpleAction.__init__(self, "Optimize index")
        self.__main_win = main_window

def __init__(self, multiscan_dialog):
        SimpleAction.__init__(self, "Start doc edit in multi-scan list")
        self.__dialog = multiscan_dialog

def __init__(self, main_window):
        SimpleAction.__init__(self, "Open print dialog")
        self.__main_win = main_window

def __init__(self, main_window):
        SimpleAction.__init__(self, "Delete page")
        self.__main_win = main_window

def __init__(self, main_window):
        SimpleAction.__init__(self, "Select export format")
        self.__main_win = main_window

def __init__(self, main_window):
        SimpleAction.__init__(self, "Show document page per page")
        self.__main_win = main_window

def __init__(self, main_window):
        SimpleAction.__init__(self, "Opening diagnostic dialog")
        self.__main_win = main_window
        self.diag = None  # used to prevent gc