* href="http://www.unicode.org/versions/corrigendum1.html">"non-shortest form"</a> byte sequences,
 * even though the JDK decoder may accept them.
 *
 * @author Martin Buchholz
 * @author Clément Roux
 * @since 16.0
 */
@GwtCompatible
public final class Utf8 {
  /**
   * Returns the number of bytes in the UTF-8-encoded form of {@code sequence}. For a string, this

import java.util.HashMap;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Utf8}.
 *
 * @author Jon Perlow
 * @author Martin Buchholz
 * @author Clément Roux
 */
@GwtCompatible
@NullUnmarked
public class Utf8Test extends TestCase {

  private static final ImmutableList<String> ILL_FORMED_STRINGS;

  static {

filename | sha512 hash
-------- | -----------
[kubernetes-client-darwin-amd64.tar.gz](https://dl.k8s.io/v1.32.8/kubernetes-client-darwin-amd64.tar.gz) | bc9c9577775912ed4fbe5e05fc884f0b4d6040d2f56f51da862a97772aa3077ca72fbbe054a73af481acd6a42c47db882aa94273d271017d3999ed39a526a842

        with:
          api-level: ${{ matrix.api-level }}
          arch: ${{ matrix.api-level == '34' && 'x86_64' || 'x86' }}
          script: ./gradlew :android-test:connectedCheck
        env:
          API_LEVEL: ${{ matrix.api-level }}

      - name: Run Release Tests
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}

filename | sha512 hash
-------- | -----------
[kubernetes-client-darwin-amd64.tar.gz](https://dl.k8s.io/v1.31.12/kubernetes-client-darwin-amd64.tar.gz) | ce201aad62761c2f5efce91a0f827e4eca0b8aae4ab43b95e8375b1aa2126397fd373e46385fa2f074bc213112764564c29ade3bf9d0d5b1d2fe8afaff88618a

  public void testCharacterSplitWithTrim() {
    String jacksons = "arfo(Marlon)aorf, (Michael)orfa, afro(Jackie)orfa, ofar(Jemaine), aff(Tito)";
    Iterable<String> family =
        COMMA_SPLITTER
            .trimResults(CharMatcher.anyOf("afro").or(CharMatcher.whitespace()))
            .split(jacksons);
    assertThat(family)
        .containsExactly("(Marlon)", "(Michael)", "(Jackie)", "(Jemaine)", "(Tito)")
        .inOrder();
  }

filename | sha512 hash
-------- | -----------
[kubernetes-client-darwin-amd64.tar.gz](https://dl.k8s.io/v1.33.4/kubernetes-client-darwin-amd64.tar.gz) | ecd902e004a072eaa92d60ce81635519aaa93553313c808c0d27d15a07a1164b0cd586e271fe979e731e167daaed8b8816010bd018cb0ff16dcde9a46dcf0736

          if ((hash1 & (1 << k)) == (hash2 & (1 << k))) {
            same[k] += 1;
          } else {
            diff[k] += 1;
          }
        }
      }
      // measure probability and assert it's within margin of error
      for (int j = 0; j < hashBits; j++) {
        double prob = (double) diff[j] / (double) (diff[j] + same[j]);
        assertThat(prob).isWithin(epsilon).of(0.50d);
      }
    }
  }

  /**

filename | sha512 hash
-------- | -----------
[kubernetes-client-darwin-amd64.tar.gz](https://dl.k8s.io/v1.34.0/kubernetes-client-darwin-amd64.tar.gz) | `20b6c4f9327f4d0b5873429595e2b7bdfec6269e9a39dee69e28ff9f3fd168611f56f378b867c35edc605dac23227b0d95083fdbc676c04f5d8d1142ceff829c`

 *         .stream()
 *         .filter(Client::isActiveInLastMonth)
 *         .map(Object::toString)
 *         .limit(10)
 *         .collect(Collectors.toList());
 * }
 *
 * @author Marcin Mikosik
 * @since 12.0
 */
@GwtCompatible
public abstract class FluentIterable<E extends @Nullable Object> implements Iterable<E> {