The "cache" splice ensures that its contents are cached and only evaluated periodically. The cached contents are returned every time the splice is referenced.
Use the ttl attribute to set the amount of time between reloads. The ttl value should be a positive integer followed by a single character specifying the units. Valid units are seconds, minutes, hours, days, and weeks. If the ttl string is invalid or the ttl attribute is not specified, the cache is never refreshed unless explicitly cleared with clearCacheTagState.
Returns a function that modifies a HeistState to include a "cache"
tag. The cache tag is not bound automatically with the other default Heist
tags. This is because this function also returns CacheTagState, so the
user will be able to clear it with the