@GwtCompatible
@ElementTypesAreNonnullByDefault
final class RelationshipTester<T> {

  static class ItemReporter {
    String reportItem(Item<?> item) {
      return item.toString();
    }
  }

  /**
   * A word about using {@link Equivalence}, which automatically checks for {@code null} and
   * identical inputs: This sounds like it ought to be a problem here, since the goals of this class

    }


    protected int writeString ( String str, byte[] dst, int dstIndex, boolean unicode ) {
        int start = dstIndex;
        if ( unicode ) {
            // Unicode requires word alignment
            if ( ( ( dstIndex - this.headerStart ) % 2 ) != 0 ) {
                dst[ dstIndex++ ] = (byte) '\0';
            }

  }

  /**
   * A builder for creating immutable map instances, especially {@code public static final} maps
   * ("constant maps"). Example:
   *
   * <pre>{@code
   * static final ImmutableMap<String, Integer> WORD_TO_INT =
   *     new ImmutableMap.Builder<String, Integer>()
   *         .put("one", 1)
   *         .put("two", 2)
   *         .put("three", 3)
   *         .buildOrThrow();
   * }</pre>
   *

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    @Override
    public String xgetAliasName() {
        return "elevate_word";
    }

    // ===================================================================================

    /** The key of the message: Bad Word */
    public static final String LABELS_bad_word_list_suggest_word = "{labels.bad_word_list_suggest_word}";

    /** The key of the message: Bad Word */
    public static final String LABELS_bad_word_suggest_word = "{labels.bad_word_suggest_word}";

    /** The key of the message: Bad Word File */

    //                                                                          ==========
    protected final String _tableDbName = "bad_word";
    protected final String _tableDispName = "bad_word";
    protected final String _tablePropertyName = "BadWord";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override

    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "suggest_word";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override

    @Override
    public ElevateWordToLabelDbm asDBMeta() {
        return ElevateWordToLabelDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word_to_label";
    }

    // ===================================================================================
    //                                                                              Source

  }

  /**
   * Registers the given {@code closeable} to be closed when this {@code Closer} is {@linkplain
   * #close closed}.
   *
   * @return the given {@code closeable}
   */
  // close. this word no longer has any meaning to me.
  @CanIgnoreReturnValue
  @ParametricNullness
  public <C extends @Nullable Closeable> C register(@ParametricNullness C closeable) {
    if (closeable != null) {

        };
    assertEquals("foo", future.get(0, TimeUnit.SECONDS));
  }

  public void testEvilFuture_setFuture() throws Exception {
    final RuntimeException exception = new RuntimeException("you didn't say the magic word!");
    AbstractFuture<String> evilFuture =
        new AbstractFuture<String>() {
          @Override
          public void addListener(Runnable r, Executor e) {
            throw exception;
          }