throw new AssertionError("this statement should be unreachable");
    }

    @Override
    BoundType typeAsUpperBound() {
      throw new IllegalStateException();
    }

    @Override
    Cut<Comparable<?>> withLowerBoundType(
        BoundType boundType, DiscreteDomain<Comparable<?>> domain) {
      throw new AssertionError("this statement should be unreachable");
    }

    @Override

      throw new AssertionError("this statement should be unreachable");
    }

    @Override
    BoundType typeAsUpperBound() {
      throw new IllegalStateException();
    }

    @Override
    Cut<Comparable<?>> withLowerBoundType(
        BoundType boundType, DiscreteDomain<Comparable<?>> domain) {
      throw new AssertionError("this statement should be unreachable");
    }

    @Override

import com.google.common.primitives.Longs;
import java.util.Comparator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A utility for performing a chained comparison statement. <b>Note:</b> Java 8+ users should
 * generally prefer the methods in {@link Comparator}; see <a href="#java8">below</a>.
 *
 * <p>Example usage of {@code ComparisonChain}:
 *
 * <pre>{@code

      for (int l = nextPermutation.size() - 1; l > j; l--) {
        if (comparator.compare(ak, nextPermutation.get(l)) < 0) {
          return l;
        }
      }
      throw new AssertionError("this statement should be unreachable");
    }
  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Collection}.
   *

  interface Y {}

  static class A implements X, Y {}

  static class B implements X, Y {}

  /**
   * This test passes if the {@code concat(…).filter(…).filter(…)} statement at the end compiles.
   * That statement compiles only if {@link FluentIterable#concat concat(aIterable, bIterable)}
   * returns a {@link FluentIterable} of elements of an anonymous type whose supertypes are the <a

 * {@linkplain #close closed}. This is intended to approximately emulate the behavior of Java 7's <a
 * href="http://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html"
 * >try-with-resources</a> statement in JDK6-compatible code. Running on Java 7, code using this
 * should be approximately equivalent in behavior to the same code written with try-with-resources.

      for (int l = nextPermutation.size() - 1; l > j; l--) {
        if (comparator.compare(ak, nextPermutation.get(l)) < 0) {
          return l;
        }
      }
      throw new AssertionError("this statement should be unreachable");
    }
  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Collection}.
   *

  interface Y {}

  static class A implements X, Y {}

  static class B implements X, Y {}

  /**
   * This test passes if the {@code concat(…).filter(…).filter(…)} statement at the end compiles.
   * That statement compiles only if {@link FluentIterable#concat concat(aIterable, bIterable)}
   * returns a {@link FluentIterable} of elements of an anonymous type whose supertypes are the <a

 * ({@code [ ]}) indicates that the range is closed on that side; a parenthesis ({@code ( )}) means
 * it is either open or unbounded. The construct {@code {x | statement}} is read "the set of all
 * <i>x</i> such that <i>statement</i>.")
 *
 * <blockquote>
 *
 * <table>
 * <caption>Range Types</caption>
 * <tr><th>Notation        <th>Definition               <th>Factory method

    assertTrue(Iterables.elementsEqual(LegacyComparable.VALUES_FORWARD, set));
  }

  public void testLegacyComparable_builder_natural() {
    // Note: IntelliJ wrongly reports an error for this statement
    ImmutableSortedSet.Builder<LegacyComparable> builder =
        ImmutableSortedSet.<LegacyComparable>naturalOrder();

    builder.addAll(LegacyComparable.VALUES_BACKWARD);
    builder.add(LegacyComparable.X);