* @throws ExecutionException if {@code callable} throws a checked exception
   * @throws UncheckedExecutionException if {@code callable} throws a {@code RuntimeException}
   * @throws ExecutionError if {@code callable} throws an {@code Error}
   * @since 22.0
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  @CanIgnoreReturnValue
  @ParametricNullness

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

  public void testGetCheckedUntimed_executionExceptionError() throws TwoArgConstructorException {
    ExecutionError expected =
        assertThrows(
            ExecutionError.class,
            () -> getChecked(FAILED_FUTURE_ERROR, TwoArgConstructorException.class));
    assertThat(expected).hasCauseThat().isEqualTo(ERROR);
  }

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);
  }

  /*