package main import ( "time" ) type TtlCache struct{} func NewTtlCache() *TtlCache { return &TtlCache{} } func (c *TtlCache) Set(key string, value string, ttl time.Duration) { } func (c *TtlCache) Get(key string) (string, bool) { return "", false } func (c *TtlCache) Delete(key string) { } func (c *TtlCache) Stop() { }