public void testBase16() {
    testEncodingWithCasing(base16(), "", "");
    testEncodingWithCasing(base16(), "f", "66");
    testEncodingWithCasing(base16(), "fo", "666F");
    testEncodingWithCasing(base16(), "foo", "666F6F");
    testEncodingWithCasing(base16(), "foob", "666F6F62");
    testEncodingWithCasing(base16(), "fooba", "666F6F6261");
    testEncodingWithCasing(base16(), "foobar", "666F6F626172");
  }

  public void testBase16() {
    testEncodingWithCasing(base16(), "", "");
    testEncodingWithCasing(base16(), "f", "66");
    testEncodingWithCasing(base16(), "fo", "666F");
    testEncodingWithCasing(base16(), "foo", "666F6F");
    testEncodingWithCasing(base16(), "foob", "666F6F62");
    testEncodingWithCasing(base16(), "fooba", "666F6F6261");
    testEncodingWithCasing(base16(), "foobar", "666F6F626172");
  }

  private static final int INPUTS_COUNT = 0x1000;
  private static final int INPUTS_MASK = 0xFFF;

  enum EncodingOption {
    BASE64(BaseEncoding.base64()),
    BASE64_URL(BaseEncoding.base64Url()),
    BASE32(BaseEncoding.base32()),
    BASE32_HEX(BaseEncoding.base32Hex()),
    BASE16(BaseEncoding.base16());

    final BaseEncoding encoding;

    EncodingOption(BaseEncoding encoding) {
      this.encoding = encoding;
    }

 * 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.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.io.BaseEncoding;

 * 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.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.io.BaseEncoding;

 * 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;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.io.ByteStreams.skipUpTo;
import static java.lang.Math.min;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Optional;

 */

package jcifs.smb1.util;

/**
 * Utility class for Base64 encoding and decoding operations.
 * Provides methods to convert between binary data and Base64 encoded strings.
 */
public class Base64 {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private Base64() {
        // Utility class - not instantiable
    }

import java.io.Serializable;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/** Simple base class to verify that we handle generics correctly. */
@GwtCompatible
@NullUnmarked
class Base implements Comparable<Base>, Serializable {
  private final String s;

  public Base(String s) {
    this.s = s;
  }

  @Override
  public int hashCode() { // delegate to 's'
    return s.hashCode();

# FinalizableReferenceQueue is unused.
-keepnames class com.google.common.base.internal.Finalizer {
  *** startFinalizer(...);
}
# However, it cannot "spot" that this method needs to be kept IF the class is.
-keepclassmembers class com.google.common.base.internal.Finalizer {
  *** startFinalizer(...);
}
-keepnames class com.google.common.base.FinalizableReference {
  void finalizeReferent();
}