from ..constants import TOKEN_API_ENDPOINTS

def _operator_approvals(approved_after: int or str='1970-01-01T00:00:00',
                        approved_before: int or str='2050-01-01T00:00:00',
                        order: str='asc',
                        limit: int=10) -> str:
        
    base_url = '{}?approved_after={}&approved_before={}&order={}&limit={}'.format(TOKEN_API_ENDPOINTS['operator_approvals'], approved_after, approved_before, order, limit)
    
    return base_url