public interface Increment<T>
void
decrease(T delta)
Increment<T>
decreaseForNew(T delta)
T
getValue()
increase(T delta)
increaseForNew(T delta)
setValue(T value)
void decrease(T delta)
Increment<T> decreaseForNew(T delta)
T getValue()
void increase(T delta)
Increment<T> increaseForNew(T delta)
void setValue(T value)