private static final String VALID_UUID_STRING = "00112233-4455-6677-8899-AABBCCDDEEFF";
    private static final String VALID_UUID_STRING_LOWERCASE = "00112233-4455-6677-8899-aabbccddeeff";

    // Corresponding values for the valid UUID string
    private static final int TIME_LOW = 0x00112233;
    private static final short TIME_MID = (short) 0x4455;
    private static final short TIME_HI_AND_VERSION = (short) 0x6677;

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.NullnessCasts.uncheckedCastNullableTToT;
import static java.util.Collections.unmodifiableMap;
import static java.util.Collections.unmodifiableSortedMap;

import com.google.common.annotations.GwtCompatible;

 */

package com.google.common.io;

import static com.google.common.hash.Hashing.sha512;
import static com.google.common.io.SourceSinkFactory.ByteSourceFactory;
import static com.google.common.io.SourceSinkFactory.CharSourceFactory;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Optional;

public abstract class UuidUtil {

    /**
     * Do not instantiate.
     */
    protected UuidUtil() {
    }

    private static final byte[] DEFAULT_ADDRESS = new byte[] { (byte) 127, (byte) 0, (byte) 0, (byte) 1 };

    private static final SecureRandom RANDOM = new SecureRandom();

    private static final String BASE = StringUtil.toHex(getAddress()) + StringUtil.toHex(System.identityHashCode(RANDOM));

    /**
     * Creates a UUID.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.CollectPreconditions.checkNonnegative;

import com.google.common.annotations.GwtCompatible;
import java.util.Comparator;
import java.util.Iterator;

 */

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

import static com.google.common.collect.testing.Helpers.copyToList;
import static com.google.common.collect.testing.features.CollectionSize.ONE;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows;

 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.lang.Thread.currentThread;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.lang.Thread.currentThread;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.util.concurrent.Futures.transform;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

    /**
     * Default constructor.
     */
    public AdminStorageAction() {
        super();
    }

    /** Role name for admin storage operations */
    public static final String ROLE = "admin-storage";

    private static final Logger logger = LogManager.getLogger(AdminStorageAction.class);

    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);