* resulting {@code CharSink} will written to the {@code ByteSink} as encoded bytes.
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class CharSink {

  /** Constructor for use by subclasses. */
  protected CharSink() {}

  /**
   * Opens a new {@link Writer} for writing to this sink. This method returns a new, independent

import com.google.common.collect.testing.MapInterfaceTest;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.NullUnmarked;

@GwtCompatible
@NullUnmarked
abstract class AbstractImmutableBiMapMapInterfaceTest<K, V> extends MapInterfaceTest<K, V> {
  AbstractImmutableBiMapMapInterfaceTest() {
    super(false, false, false, false, false);
  }

  @Override

import java.lang.reflect.Field;

import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link SmbComTransactionResponse}.
 *
 * <p>The class is abstract, so a concrete stub implementation is
 * provided purely to expose protected state and to satisfy the abstract
 * method contract.  The tests focus on public API behaviour and the
 * parsing logic in {@code readParameterWordsWireFormat} and
 * {@code readBytesWireFormat}.
 */

 * the License.
 */

package com.google.common.cache;

import com.google.common.annotations.GwtCompatible;

/**
 * Abstract interface for objects that can concurrently add longs.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
interface LongAddable {
  void increment();

  void add(long x);

  long sum();

 * attempt to mutate the event parameters, or be reentrant back into the client.
 * Any IO - writing to files or network should be done asynchronously.
 */
internal abstract class ConnectionListener {
  /**
   * Invoked as soon as a call causes a connection to be started.
   */
  open fun connectStart(
    route: Route,
    call: Call,
  ) {}

  /**

/**
 * A dummy superclass of {@link ImmutableMultimap} that can be instanceof'd without ProGuard
 * retaining additional implementation details of {@link ImmutableMultimap}.
 */
@GwtCompatible

 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingList<E extends @Nullable Object> extends ForwardingCollection<E>
    implements List<E> {
  // TODO(lowasser): identify places where thread safety is actually lost

  /** Constructor for use by subclasses. */
  protected ForwardingList() {}

  @Override
  protected abstract List<E> delegate();

  @Override

 * {@link ReferenceQueue}.
 *
 * <p>Unlike a normal phantom reference, this reference will be cleared automatically.
 *
 * @author Bob Lee
 * @since 2.0
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class FinalizablePhantomReference<T> extends PhantomReference<T>
    implements FinalizableReference {
  /**
   * Constructs a new finalizable phantom reference.
   *
   * @param referent to phantom reference

import org.gradle.jvm.toolchain.JavaToolchainService;

import javax.inject.Inject;
import java.util.Collections;

public abstract class GradleBuildDocumentationPlugin implements Plugin<Project> {

    @Inject
    protected abstract ProviderFactory getProviders();

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin;

/**
 * Base exception.
 *
 */
public abstract class AbstractMojoExecutionException extends Exception {
    protected Object source;

    protected String longMessage;

    public AbstractMojoExecutionException(String message) {
        super(message);
    }