lowerBoundType method
BoundType
lowerBoundType()
Returns the type of this range's lower bound: {@link BoundType#CLOSED} if the range includes its lower endpoint, {@link BoundType#OPEN} if it does not.
@throws IllegalStateException if this range is unbounded below (that is, {@link #hasLowerBound()} returns {@code false})
Implementation
BoundType lowerBoundType() {
return lowerBound.typeAsLowerBound();
}