int result = 13;

        if (lowerBound == null) {
            result += 1;
        } else {
            result += lowerBound.hashCode();
        }

        result *= lowerBoundInclusive ? 1 : 2;

        if (upperBound == null) {
            result -= 3;
        } else {
            result -= upperBound.hashCode();
        }

        result *= upperBoundInclusive ? 2 : 3;

    }

    private static boolean matches(String pattern, String str) {
        if (isAny(pattern)) {
            return true;
        } else if (pattern.endsWith("*")) {
            return str.startsWith(pattern.substring(0, pattern.length() - 1));
        } else {
            return Objects.equals(pattern, str);
        }
    }

    private static Predicate<Artifact> artifactPredicate(Artifact artifact) {

            // assume these are system errors and further build is meaningless
            buildContext.getReactorBuildStatus().halt();
        } else if (MavenExecutionRequest.REACTOR_FAIL_NEVER.equals(rootSession.getReactorFailureBehavior())) {
            // continue the build
        } else if (MavenExecutionRequest.REACTOR_FAIL_AT_END.equals(rootSession.getReactorFailureBehavior())) {

                scopes = Arrays.asList(Artifact.SCOPE_COMPILE, Artifact.SCOPE_SYSTEM, Artifact.SCOPE_PROVIDED);
            } else if (Artifact.SCOPE_RUNTIME.equals(classpath)) {
                scopes = Arrays.asList(Artifact.SCOPE_COMPILE, Artifact.SCOPE_RUNTIME);
            } else if (Artifact.SCOPE_COMPILE_PLUS_RUNTIME.equals(classpath)) {
                scopes = Arrays.asList(

                                plugin,
                                pluginFile.getAbsolutePath());
                    }
                }
            } else {
                File pluginXml = new File(pluginFile, getPluginDescriptorLocation());

                if (pluginXml.isFile()) {
                    pluginDescriptor = parsePluginDescriptor(

            return s.get();
        } else {
            return cache.computeIfAbsent(groupId, artifactId, version, tag, s);
        }
    }

    private static <T> T cache(ModelCache cache, Source source, String tag, Callable<T> supplier) {
        Supplier<T> s = asSupplier(supplier);
        if (cache == null) {
            return s.get();
        } else {

            // path was already absolute, just normalize file separator and we're done
            s = file.getPath();
        } else if (file.getPath().startsWith(File.separator)) {
            // drive-relative Windows path, don't align with project directory but with drive root
            s = file.getAbsolutePath();
        } else {
            // an ordinary relative path, align with project directory

                plugin.setArtifactId(tok[1]);
            } else {
                // pluginPrefix:version:goal, like remote-resources:3.5.0:process
                plugin = findPluginForPrefix(firstToken, session);
                plugin.setVersion(tok[1]);
            }
            goal = tok[2];
        } else {
            // We have a prefix and goal
            //
            // idea:idea

    }

    private String canonicalFileUrl(String url) throws IOException {
        if (!url.startsWith("file:")) {
            url = "file://" + url;
        } else if (url.startsWith("file:") && !url.startsWith("file://")) {
            url = "file://" + url.substring("file:".length());
        }

        // So now we have an url of the form file://<path>

            }
        }

        @Override
        public int compareTo(Version o) {
            if (o instanceof DefaultVersion) {
                return delegate.compareTo(((DefaultVersion) o).delegate);
            } else {
                return compareTo(new DefaultVersion(versionScheme, o.asString()));
            }
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {