private static final String CHECK_UPPER_BOUND_INCLUSIVE = "check upper bound is inclusive";

    private static final String CHECK_LOWER_BOUND = "check lower bound";

    private static final String CHECK_LOWER_BOUND_INCLUSIVE = "check lower bound is inclusive";

    private static final String CHECK_VERSION_RECOMMENDATION = "check version recommended";

                    if (lower == null || upper == null || lower.compareTo(upper) != 0) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));
                    } else if (lowerInclusive && upperInclusive) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));
                    }

        boolean updateScope = false;
        Artifact farthestArtifact = farthest.getArtifact();
        Artifact nearestArtifact = nearest.getArtifact();

        /* farthest is runtime and nearest has lower priority, change to runtime */
        if (Artifact.SCOPE_RUNTIME.equals(farthestArtifact.getScope())
                && (Artifact.SCOPE_TEST.equals(nearestArtifact.getScope())

        } else if (isDigit) {
            buf = stripLeadingZeroes(buf);
            if (buf.length() <= MAX_INTITEM_LENGTH) {
                // lower than 2^31
                return new IntItem(buf);
            } else if (buf.length() <= MAX_LONGITEM_LENGTH) {
                // lower than 2^63
                return new LongItem(buf);
            }
            return new BigIntegerItem(buf);
        }

        artifact.setFile(getTestFile("target/sample-art"));

        StringWagon wagon = (StringWagon) wagonManager.getWagon("string");

        wagon.clearExpectedContent();
        wagon.addExpectedContent("path", "lower-case-checksum");
        wagon.addExpectedContent("path.sha1", "2a25dc564a3b34f68237fc849066cbc7bb7a36a1");
        wagonManager.getArtifact(artifact, repo, null, false);

        wagon.clearExpectedContent();