import com.google.common.collect.Multimap;

/**
 * Helper methods/assertions for use with {@code com.google.common.collect} types.
 *
 * @author Colin Decker
 */
@GwtCompatible
final class GoogleHelpers {

  private GoogleHelpers() {}

  static void assertEmpty(Multimap<?, ?> multimap) {
    if (!multimap.isEmpty()) {
      fail("Not true that " + multimap + " is empty");
    }
  }

import com.google.common.base.Predicate;
import com.google.common.collect.FilteredCollectionsTestUtil.AbstractFilteredIterableTest;
import org.jspecify.annotations.NullUnmarked;

@NullUnmarked
public final class IterablesFilterArrayListTest
    extends AbstractFilteredIterableTest<Iterable<Integer>> {
  @Override
  Iterable<Integer> createUnfiltered(Iterable<Integer> contents) {
    return Lists.newArrayList(contents);
  }

@GwtCompatible
@NullUnmarked
class Derived extends Base {
  public Derived(String s) {
    super(s);
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

package com.google.common.testing;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Chris Povirk
 */
final class Platform {
  /** Serializes and deserializes the specified object (a no-op under GWT). */
  @SuppressWarnings("unchecked")
  static <T> T reserialize(T object) {
    return checkNotNull(object);
  }

    }

    /**
     * Converts to a {@literal byte} array.
     *
     * @param o
     *            The object to convert
     * @return The {@literal byte} array
     */
    public static byte[] toBinary(final Object o) {
        if (o instanceof byte[]) {
            return (byte[]) o;
        } else if (o == null) {
            return null;
        } else {

import org.apache.maven.api.cli.extensions.CoreExtension;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class ExtensionResolutionException extends Exception {

    private final CoreExtension extension;

    public ExtensionResolutionException(CoreExtension extension, Throwable cause) {
        super(
                "Extension " + extension.getId() + " or one of its dependencies could not be resolved: "

import java.io.IOException;
import java.io.InputStreamReader;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestReader extends FilterReader {

  private final TestInputStream in;

  public TestReader(TestOption... options) throws IOException {
    this(new TestInputStream(new ByteArrayInputStream(new byte[10]), options));
  }

  public TestReader(TestInputStream in) {

import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/** Returns a random portion of the requested bytes on each call. */
@NullUnmarked
class RandomAmountInputStream extends FilterInputStream {
  private final Random random;

  public RandomAmountInputStream(InputStream in, Random random) {
    super(checkNotNull(in));
    this.random = checkNotNull(random);
  }

  @Override

import java.io.IOException;
import java.io.InputStreamReader;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestReader extends FilterReader {

  private final TestInputStream in;

  public TestReader(TestOption... options) throws IOException {
    this(new TestInputStream(new ByteArrayInputStream(new byte[10]), options));
  }

  public TestReader(TestInputStream in) {

import org.apache.maven.api.annotations.Experimental;

/**
 *
 *
 * @since 4.0.0
 */
@Experimental
public class ArtifactResolverException extends MavenException {

    private final ArtifactResolverResult result;

    /**
     * @param message the message for the exception
     * @param e the exception itself
     * @param result the resolution result containing detailed information
     */