synchronized (future) {
        if (future.waiters == expect) {
          future.waiters = update;
          return true;
        }
        return false;
      }
    }

    @Override
    boolean casListeners(AbstractFuture<?> future, @CheckForNull Listener expect, Listener update) {
      synchronized (future) {
        if (future.listeners == expect) {

type Writer struct {
	// opts are the configuration options for this Writer
	opts Options

	// f is the currently open file used for appends.
	// Writes to f are only synchronized once Close() is called,
	// or when files are being rotated.
	f *os.File

	pw *xioutil.PipeWriter
	pr *xioutil.PipeReader
}

// Write writes p into the current file, rotating if necessary.

    private static final String BEACON_CLASS_NAME = "org.gradle.internal.installation.beacon.InstallationBeacon";

    private CurrentGradleInstallationLocator() {
    }

    public synchronized static CurrentGradleInstallation locate() {
        return locateViaClassLoader(CurrentGradleInstallationLocator.class.getClassLoader());
    }

    }

    public static void registerShutdownHook() {
        if (shutdownHook == null) {
            shutdownHook = new Thread(() -> {
                synchronized (MessageUtils.STARTUP_SHUTDOWN_MONITOR) {
                    MessageUtils.doSystemUninstall();
                }
            });
            Runtime.getRuntime().addShutdownHook(shutdownHook);
        }
    }

        this(null);
    }

    BootstrapSecurityManager(URLClassLoader target) {
        this.target = target;
    }

    @Override
    public void checkPermission(Permission permission) {
        synchronized (this) {
            if (initialised) {
                return;
            }
            if (System.in == null) {
                // Still starting up
                return;
            }

        Installations(Supplier<Set<InstallationLocation>> initializer) {
            this.initializer = initializer;
        }

        synchronized Set<InstallationLocation> get() {
            initIfNeeded();
            return locations;
        }

        synchronized void add(InstallationLocation location) {
            initIfNeeded();
            locations.add(location);
        }

nothing. false true false false false true org.apache.maven.plugin.coreit.ItMojo java per-lookup once-per-session org.apache.maven maven-plugin-api jar 2.0 org/apache/maven/plugin/coreit/ItMojo.class package org.apache.maven.plugin.coreit; public synchronized class ItMojo extends org.apache.maven.plugin.AbstractMojo { public void ItMojo(); public void execute(); } pom.xml 4.0.0 org.apache.maven.plugins maven-deploy-plugin 0.1 maven-plugin Maven Integration Test Plugin A test plugin to assist testing...

        void queueIncoming(Message message) {
            synchronized (lock) {
                receiveQueue << message
                lock.notifyAll()
            }
        }

        void queueBroken(Throwable failure = new RuntimeException()) {
            queueIncoming(new Failure(failure))
        }

        Message receive() {
            synchronized (lock) {
                while (receiveQueue.empty) {

nothing. false true false false false true org.apache.maven.plugin.coreit.ItMojo java per-lookup once-per-session org.apache.maven maven-plugin-api jar 2.0 org/apache/maven/plugin/coreit/ItMojo.class package org.apache.maven.plugin.coreit; public synchronized class ItMojo extends org.apache.maven.plugin.AbstractMojo { public void ItMojo(); public void execute(); } pom.xml 4.0.0 org.apache.maven.plugins maven-clean-plugin 0.1 maven-plugin Maven Integration Test Plugin A test plugin to assist testing...

nothing. test false true false false false true org.apache.maven.plugin.coreit.ItMojo java per-lookup once-per-session org.apache.maven maven-plugin-api jar 2.0 org/apache/maven/plugin/coreit/ItMojo.class package org.apache.maven.plugin.coreit; public synchronized class ItMojo extends org.apache.maven.plugin.AbstractMojo { public void ItMojo(); public void execute(); } pom.xml 4.0.0 org.apache.maven.plugins maven-surefire-plugin 0.1 maven-plugin Maven Integration Test Plugin A test plugin to assist testing...