*/
    @Nullable
    Boundary getUpperBoundary();

    /**
     * Returns the lower boundary of this range, or {@code null} if none.
     */
    @Nullable
    Boundary getLowerBoundary();

    /**
     * Returns a string representation of this version range
     * @return the string representation of this version range
     */
    @Nonnull
    String asString();

    /**

                public boolean isInclusive() {
                    return bound.isInclusive();
                }
            };
        }

        @Override
        public Boundary getLowerBoundary() {
            org.eclipse.aether.version.VersionRange.Bound bound = delegate.getLowerBound();
            if (bound == null) {
                return null;
            }
            return new Boundary() {