try {
            PluginDescriptor desc = descriptors.get(key);
            if (desc == null) {
                synchronized (key) {
                    desc = descriptors.get(key);
                    if (desc == null) {
                        desc = supplier.load();
                        descriptors.putIfAbsent(key, clone(desc));
                    }
                }
            }

        Map<String, Object> context = null;

        if (session != null) {
            PluginDescriptor desc = new PluginDescriptor();
            desc.setGroupId(PluginDescriptor.getDefaultPluginGroupId());
            desc.setArtifactId(PluginDescriptor.getDefaultPluginArtifactId("toolchains"));

            MavenProject current = session.getCurrentProject();

                File remoteFile = new File(basedir, path(download.getArtifact()));
                try {
                    Path dest = download.getFile().toPath();
                    Files.createDirectories(dest.getParent());
                    Files.copy(remoteFile.toPath(), dest);
                } catch (IOException e) {
                    if (!remoteFile.exists()) {

            artifacts = result;
        }
        return artifacts;
    }

    void write(Model model, Path dest) throws IOException, XMLStreamException {
        String version = model.getModelVersion();
        Files.createDirectories(dest.getParent());
        try (Writer w = Files.newBufferedWriter(dest)) {
            MavenStaxWriter writer = new MavenStaxWriter();

    void assembleModelInheritance(Model child, Model parent);

    void assembleBuildInheritance(Build childBuild, Build parentBuild, boolean handleAsInheritance);

    void copyModel(Model dest, Model source);

    public void assembleBuildInheritance(Build childBuild, Build parentBuild, boolean handleAsInheritance) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void copyModel(Model dest, Model source) {
        throw new UnsupportedOperationException();
    }

4.0.0 wagon-provider-api Maven Wagon API Maven Wagon API that defines the contract between different Wagon implementations org.codehaus.plexus plexus-utils META-INF/maven/org.apache.maven.wagon/wagon-provider-api/pom.properties #Generated by Maven #Tue Dec 12 17:05:59 EST 2006 version=1.0-beta-2 groupId=org.apache.maven.wagon artifactId=wagon-provider-api...

; static String[] getStackFrames(String); static java.util.List getStackFrameList(Throwable); static void <clinit>(); } org/codehaus/plexus/util/Expand.class package org.codehaus.plexus.util; public synchronized class Expand { private java.io.File dest; private java.io.File source; private boolean overwrite; public void Expand(); public void execute() throws Exception; protected void expandFile(java.io.File, java.io.File) throws Exception; protected void extractFile(java.io.File, java.io.File, java.io.InputStream,...

Erdfelt ******@****.*** slide slide-webdavlib 2.1 commons-logging commons-logging 1.0.4 runtime it.could webdav 0.4 test org.mortbay.jetty jetty 4.2.12 test META-INF/maven/org.apache.maven.wagon/wagon-webdav/pom.properties #Generated by Maven #Tue Dec 12 17:29:47 EST 2006 version=1.0-beta-2 groupId=org.apache.maven.wagon artifactId=wagon-webdav...

; static String[] getStackFrames(String); static java.util.List getStackFrameList(Throwable); static void <clinit>(); } org/codehaus/plexus/util/Expand.class package org.codehaus.plexus.util; public synchronized class Expand { private java.io.File dest; private java.io.File source; private boolean overwrite; public void Expand(); public void execute() throws Exception; protected void expandFile(java.io.File, java.io.File) throws Exception; protected void extractFile(java.io.File, java.io.File, java.io.InputStream,...