}

    @LazyInit @CheckForNull private volatile BaseEncoding upperCase;
    @LazyInit @CheckForNull private volatile BaseEncoding lowerCase;
    @LazyInit @CheckForNull private volatile BaseEncoding ignoreCase;

    @Override
    public BaseEncoding upperCase() {
      BaseEncoding result = upperCase;
      if (result == null) {
        Alphabet upper = alphabet.upperCase();

 * the License.
 */

package com.google.common.io;

import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.io.BaseEncoding.base32;
import static com.google.common.io.BaseEncoding.base32Hex;
import static com.google.common.io.BaseEncoding.base64;
import static com.google.common.io.BaseEncoding.base64Url;
import static com.google.common.io.ReflectionFreeAssertThrows.assertThrows;

 * the License.
 */

package com.google.common.io;

import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.io.BaseEncoding.base32;
import static com.google.common.io.BaseEncoding.base32Hex;
import static com.google.common.io.BaseEncoding.base64;
import static com.google.common.io.BaseEncoding.base64Url;
import static com.google.common.io.ReflectionFreeAssertThrows.assertThrows;

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

    private static final BaseEncoding BASE64_DECODER = BaseEncoding.base64().withSeparator("\n", 64);

    private static final BaseEncoding BASE64URL_DECODER = BaseEncoding.base64Url().withSeparator("\n", 64);

    protected static final String OIC_AUTH_SERVER_URL = "oic.auth.server.url";

 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.io.BaseEncoding.base16;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.io.BaseEncoding;
import com.google.common.testing.ClassSanityTester;
import java.util.Arrays;
import junit.framework.TestCase;

 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.io.BaseEncoding.base16;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.io.BaseEncoding;
import com.google.common.testing.ClassSanityTester;
import java.util.Arrays;
import junit.framework.TestCase;

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

package com.google.common.hash;

import static com.google.common.io.BaseEncoding.base16;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableTable;

   *
   * <p>This method accepts the exact format generated by {@link #toString}. If you require more
   * lenient {@code base 16} decoding, please use {@link com.google.common.io.BaseEncoding#decode}
   * (and pass the result to {@link #fromBytes}).
   *
   * @since 15.0
   */
  public static HashCode fromString(String string) {
    checkArgument(

   *
   * <p>This method accepts the exact format generated by {@link #toString}. If you require more
   * lenient {@code base 16} decoding, please use {@link com.google.common.io.BaseEncoding#decode}
   * (and pass the result to {@link #fromBytes}).
   *
   * @since 15.0
   */
  public static HashCode fromString(String string) {
    checkArgument(

      return new ByteArrayByteSource(bytes, newOffset, (int) length);
    }

    @Override
    public String toString() {
      return "ByteSource.wrap("
          + Ascii.truncate(BaseEncoding.base16().encode(bytes, offset, length), 30, "...")
          + ")";
    }
  }

  private static final class EmptyByteSource extends ByteArrayByteSource {