def METHOD_NAME():
    easings = []
    for easing, flags, zoom in _easing_specs:
        versions = []
        if flags & 1:
            versions += ["_in", "_out"]
        if flags & 2:
            versions += ["_in_out", "_out_in"]
        if not flags:
            versions = [""]
        for version in versions:
            base_name, args = _easing_split(easing)
            easing_name = _easing_join(base_name + version, args)
            easings.append((easing_name, zoom))
    return easings