ObjectState()
ObjectState(Predicate from, Predicate to)
ObjectState
clone()
Predicate
getFrom()
getTo()
boolean
hasFrom()
hasTo()
void
setFrom(Predicate from)
setTo(Predicate to)
String
toString()
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
clone
Object
toString