.put(
              ConcurrentModificationException.class,
              e -> e instanceof ConcurrentModificationException)
          .put(ExecutionError.class, e -> e instanceof ExecutionError)
          .put(ExecutionException.class, e -> e instanceof ExecutionException)
          .put(IllegalArgumentException.class, e -> e instanceof IllegalArgumentException)

          .put(
              ConcurrentModificationException.class,
              e -> e instanceof ConcurrentModificationException)
          .put(ExecutionError.class, e -> e instanceof ExecutionError)
          .put(ExecutionException.class, e -> e instanceof ExecutionException)
          .put(IllegalArgumentException.class, e -> e instanceof IllegalArgumentException)

    assertThat(expected).hasCauseThat().isEqualTo(UNCHECKED_EXCEPTION);
  }

  public void testGetUnchecked_executionExceptionError() {
    ExecutionError expected =
        assertThrows(ExecutionError.class, () -> getUnchecked(FAILED_FUTURE_ERROR));
    assertThat(expected).hasCauseThat().isEqualTo(ERROR);
  }

  public void testGetUnchecked_executionExceptionOtherThrowable() {

    assertThat(expected).hasCauseThat().isEqualTo(UNCHECKED_EXCEPTION);
  }

  public void testGetUnchecked_executionExceptionError() {
    ExecutionError expected =
        assertThrows(ExecutionError.class, () -> getUnchecked(FAILED_FUTURE_ERROR));
    assertThat(expected).hasCauseThat().isEqualTo(ERROR);
  }

  public void testGetUnchecked_executionExceptionOtherThrowable() {

          .put(
              ConcurrentModificationException.class,
              e -> e instanceof ConcurrentModificationException)
          .put(ExecutionError.class, e -> e instanceof ExecutionError)
          .put(ExecutionException.class, e -> e instanceof ExecutionException)
          .put(IllegalArgumentException.class, e -> e instanceof IllegalArgumentException)

   * ExecutionError}.
   *
   * <p>For an uninterruptible {@code get} that preserves other exceptions, see {@link
   * Uninterruptibles#getUninterruptibly(Future)}.
   *
   * @throws UncheckedExecutionException if {@code get} throws an {@code ExecutionException} with an
   *     {@code Exception} as its cause

    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    ExecutionError expected = assertThrows(ExecutionError.class, () -> cache.get(new Object()));
    assertThat(expected).hasCauseThat().isSameInstanceAs(e);
    stats = cache.stats();
    assertEquals(1, stats.missCount());

import com.google.common.base.Equivalence;
import com.google.common.base.Ticker;
import com.google.common.cache.AbstractCache.StatsCounter;
import com.google.common.collect.ImmutableMap;
import com.google.common.util.concurrent.ExecutionError;
import com.google.common.util.concurrent.UncheckedExecutionException;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.AbstractCollection;
import java.util.AbstractSet;

  private static <X extends Exception> void wrapAndThrowExceptionOrError(
      Throwable cause, Class<X> exceptionClass) throws X {
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    }
    if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw newWithCause(exceptionClass, cause);
  }

  /*

  private static <X extends Exception> void wrapAndThrowExceptionOrError(
      Throwable cause, Class<X> exceptionClass) throws X {
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    }
    if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw newWithCause(exceptionClass, cause);
  }

  /*