code: func (l *ShardedNoTS) Get(tenantID, key string) (interface{}, error) {
  	cache, ok := l.cache[tenantID]
  	if !ok {
  		return nil, ErrNotFound
  	}
  
  	return cache.Get(key)
  }
docs: // Get returns a value of a given key if it exists
  // and valid for the time being