def getCmdArgumentsOptions(parser):
    """Returns all the destination attributes of all options of the argument parser

    Args:
        parser (argparse.ArgumentParser): The argument parser used for input

    Returns:
        Set : a Python set with all the destination attribute names for all the options
    """
    ret=set()
    for it in parser.__dict__['_option_string_actions'].values():
        ret.add(it.dest)
    return ret