* only way to get a TypeVariable instance for the resolved types is to create our own. The
         * created TypeVariable will not interoperate with any JDK TypeVariable. But this is OK: We
         * don't _want_ our new TypeVariable to be equal to the JDK TypeVariable because it has
         * _different bounds_ than the JDK TypeVariable. And it wouldn't make sense for our new

        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {
        return;
      } catch (InterruptedException ie) {
        throw new RuntimeException("Unexpected interrupt while waiting for future", ie);
      } catch (TimeoutException tryHarder) {
        /* OK */
      }
    } while (System.nanoTime() - deadline < 0);

      fail("no exception thrown");
    } catch (NullPointerException expected) {
      verifyComplexMessage(expected);
    }
  }

  public void testCheckElementIndex_ok() {
    assertEquals(0, Preconditions.checkElementIndex(0, 1));
    assertEquals(0, Preconditions.checkElementIndex(0, 2));
    assertEquals(1, Preconditions.checkElementIndex(1, 2));
  }

      getReadyToExpandTo(size + n);
      /*
       * The following call is not statically checked, since arraycopy accepts plain Object for its
       * parameters. If it were statically checked, the checker would still be OK with it, since
       * we're copying into a `contents` array whose type allows it to contain nulls. Still, it's
       * worth noting that we promise not to put nulls into the array in the first `size` elements.

    // Shouldn't hit DNS, because it's an IP string literal.
    InetAddress ipv4Addr;
    try {
      ipv4Addr = InetAddress.getByName(ipStr);
    } catch (UnknownHostException e) {
      // OK: this is probably Android, which is stricter.
      return;
    }
    assertEquals(ipv4Addr, InetAddresses.forString(ipStr));
    assertTrue(InetAddresses.isInetAddress(ipStr));
  }

    // Shouldn't hit DNS, because it's an IP string literal.
    InetAddress ipv4Addr;
    try {
      ipv4Addr = InetAddress.getByName(ipStr);
    } catch (UnknownHostException e) {
      // OK: this is probably Android, which is stricter.
      return;
    }
    assertEquals(ipv4Addr, InetAddresses.forString(ipStr));
    assertTrue(InetAddresses.isInetAddress(ipStr));
  }

   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public boolean offer(E e) {
    final Monitor monitor = this.monitor;
    monitor.enter();
    try {
      boolean ok = q.offer(e);
      if (!ok) {
        throw new AssertionError();
      }
      return true;
    } finally {
      monitor.leave();
    }
  }

  /**

      Y expected = null;
      try {
        expected = f.apply(i);
      } catch (IllegalArgumentException e) {
        try {
          g.apply(i);
          fail();
        } catch (IllegalArgumentException ok) {
          continue;
        }
      }
      assertEquals(expected, g.apply(i));
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

      Y expected = null;
      try {
        expected = f.apply(i);
      } catch (IllegalArgumentException e) {
        try {
          g.apply(i);
          fail();
        } catch (IllegalArgumentException ok) {
          continue;
        }
      }
      assertEquals(expected, g.apply(i));
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

      }
    }
    throw new IndexOutOfBoundsException("Index exceeds specified range");
  }

  /**
   * Helper method to grow the character buffer as needed, this only happens once in a while so it's
   * ok if it's in a method call. If the index passed in is 0 then no copying will be done.
   */
  private static char[] growBuffer(char[] dest, int index, int size) {