Construct a map decorator that decorates the given map and uses the given
expiration policy to deter
Normal Map#remove(Object) behavior with the addition of removing any expiration
entry as well.
All expired entries are removed from the map prior to returning the entry value.
Determines if the given expiration time is less than now.
The current time in milliseconds.
Removes all entries in the map whose expiration time is less thannow. The
exceptions are entries wit
Removes the entry with the given key if the entry's expiration time is less than
now. If the entry
First validate the input parameters. If the parameters are valid, convert the
given time measured in