private static class VisibilityMethods {

    @SuppressWarnings("unused") // Called by reflection
    private void privateMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    void packagePrivateMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    protected void protectedMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    public void publicMethod() {}
  }

    // ignored by testEquals()
    GoodEquals(@SuppressWarnings("unused") NotInstantiable x) {
      this.a = "x";
      this.b = -1;
    }

    // will keep trying
    public GoodEquals(@SuppressWarnings("unused") NotInstantiable x, int b) {
      this.a = "x";
      this.b = b;
    }

    // keep trying
    @SuppressWarnings("unused")
    static GoodEquals create(int a, int b) {

  public void testCompareAndSet() {
    double prev = Math.E;
    double unused = Math.E + Math.PI;
    AtomicDouble at = new AtomicDouble(prev);
    for (double x : VALUES) {
      assertBitEquals(prev, at.get());
      assertFalse(at.compareAndSet(unused, x));
      assertBitEquals(prev, at.get());
      assertTrue(at.compareAndSet(prev, x));
      assertBitEquals(x, at.get());

    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i : new int[] {0, SIZE - 1}) {
      double prev = 0.0;
      double unused = Math.E + Math.PI;
      for (double x : VALUES) {
        assertBitEquals(prev, aa.get(i));
        assertFalse(aa.compareAndSet(i, unused, x));
        assertBitEquals(prev, aa.get(i));
        assertTrue(aa.compareAndSet(i, prev, x));
        assertBitEquals(x, aa.get(i));

package org.gradle.internal.file.nio;

import org.gradle.internal.file.FileCanonicalizer;
import org.gradle.internal.file.FileException;

import java.io.File;
import java.io.IOException;

// Used via FQCN
@SuppressWarnings("unused")
public class Jdk7FileCanonicalizer implements FileCanonicalizer {
    @SuppressWarnings("Since15")
    @Override
    public File canonicalize(File file) throws FileException {
        try {

    // We'd like for all the following to compile.
    ListenableFuture<String> unused;

    // Compiles:
    unused = whenAllComplete(futureA, futureB).call(combiner, directExecutor());

    // Does not compile:
    // unused = whenAllComplete(futures).call(combiner);

    // Workaround for the above:
    unused = whenAllComplete(asList(futures)).call(combiner, directExecutor());
  }

    // We'd like for all the following to compile.
    ListenableFuture<String> unused;

    // Compiles:
    unused = whenAllComplete(futureA, futureB).call(combiner, directExecutor());

    // Does not compile:
    // unused = whenAllComplete(futures).call(combiner);

    // Workaround for the above:
    unused = whenAllComplete(asList(futures)).call(combiner, directExecutor());
  }

                    return result;
                }
            }
            return DynamicInvokeResult.notFound();
        }

        @Nullable
        @SuppressWarnings("unused") // Groovy magic method
        public Object propertyMissing(String name) {
            return getProperty(name);
        }

        @Override

        if (fileLock != null) {
            throw new IllegalStateException("File lock " + lockTarget + " is already open.");
        }
        final FileLock fileLock = lockManager.lock(lockTarget, lockOptions, cacheDisplayName, "", unused -> {});
        try {
            boolean rebuild = initializationAction.requiresInitialization(fileLock);
            if (rebuild) {
                fileLock.writeFile(() -> initializationAction.initialize(fileLock));

            ReactorManager unused,
            List<String> goals,
            String executionRootDir,
            Properties executionProperties,
            Date startTime) {
        this(
                container,
                settings,
                localRepository,
                eventDispatcher,
                unused,
                goals,
                executionRootDir,