How to use the bbopt.__coconut__._coconut_base_compose function in bbopt

def __init__(self, func, *funcstars):
        self.func = func
        self.funcstars = []
        for f, stars in funcstars:
            if _coconut.isinstance(f, _coconut_base_compose):
                self.funcstars.append((f.func, stars))
                self.funcstars += f.funcstars
            else:
                self.funcstars.append((f, stars))
    def __call__(self, *args, **kwargs):

def _coconut_forward_compose(func, *funcs): return _coconut_base_compose(func, *((f, 0) for f in funcs))
def _coconut_back_compose(*funcs): return _coconut_forward_compose(*_coconut.reversed(funcs))

def _coconut_forward_star_compose(func, *funcs): return _coconut_base_compose(func, *((f, 1) for f in funcs))
def _coconut_back_star_compose(*funcs): return _coconut_forward_star_compose(*_coconut.reversed(funcs))

def _coconut_forward_dubstar_compose(func, *funcs): return _coconut_base_compose(func, *((f, 2) for f in funcs))
def _coconut_back_dubstar_compose(*funcs): return _coconut_forward_dubstar_compose(*_coconut.reversed(funcs))