*/
@NullUnmarked
public final class HostSpecifierTest extends TestCase {

  private static final ImmutableList<String> GOOD_IPS =
      ImmutableList.of("1.2.3.4", "2001:db8::1", "[2001:db8::1]");

  private static final ImmutableList<String> BAD_IPS =
      ImmutableList.of("1.2.3", "2001:db8::1::::::0", "[2001:db8::1", "[::]:80");

  private static final ImmutableList<String> GOOD_DOMAINS =

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEY_QUERIES;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUE_QUERIES;

     * @return The converted {@link Byte}
     */
    public static Byte toByte(final Object o) {
        return toByte(o, null);
    }

    /**
     * Converts to {@link Byte}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Byte}
     */
    public static Byte toByte(final Object o, final String pattern) {

import static com.google.common.collect.testing.IteratorFeature.MODIFIABLE;
import static com.google.common.collect.testing.IteratorFeature.UNMODIFIABLE;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Collections.nCopies;
import static java.util.Collections.singleton;

    /**
     * Default constructor.
     */
    public Hexdump() {
        // Utility class - no instance variables to initialize
    }

    private static final String NL = System.lineSeparator();
    private static final int NL_LENGTH = NL.length();

    private static final char[] SPACE_CHARS =
            { ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',

package com.google.common.collect;

import static com.google.common.collect.BoundType.CLOSED;
import static com.google.common.collect.BoundType.OPEN;
import static com.google.common.collect.DiscreteDomain.integers;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_QUERIES;

    // Witness RPC interface
    private static final String WITNESS_INTERFACE_UUID = "ccd8c074-d0e5-4a40-92b4-d074faa6ba28";
    private static final int WITNESS_INTERFACE_VERSION = 1;
    
    // RPC operation numbers
    private static final int WITNESS_REGISTER = 0;
    private static final int WITNESS_UNREGISTER = 1;
    private static final int WITNESS_ASYNC_NOTIFY = 2;
    private static final int WITNESS_HEARTBEAT = 3;
    

 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.CollectPreconditions.checkEntryNotNull;
import static com.google.common.collect.CollectPreconditions.checkNonnegative;
import static java.lang.System.arraycopy;
import static java.util.Objects.requireNonNull;

1 - critical [default]
2 - basic info can be logged under load
3 - almost everything
N - debugging
 */

public class LogStream extends PrintStream {

    private static LogStream inst;

    /**
     * The current logging level.
     */
    public static int level = 1;

    /**
     * Constructs a LogStream with the specified output stream.
     *
     * @param stream the output stream for logging
     */

        Striped.semaphore(100, 1),
        Striped.semaphore(256, 1));
  }

  private static final Supplier<ReadWriteLock> READ_WRITE_LOCK_SUPPLIER =
      new Supplier<ReadWriteLock>() {
        @Override
        public ReadWriteLock get() {
          return new ReentrantReadWriteLock();
        }
      };

  private static final Supplier<Lock> LOCK_SUPPLER =
      new Supplier<Lock>() {
        @Override