private class Inner {
    @Keep
    public Inner(String s) {
      checkNotNull(s);
    }
  }

  public void testNonStaticInnerClass() {
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> new NullPointerTester().testAllPublicConstructors(Inner.class));
    assertThat(expected).hasMessageThat().contains("inner class");
  }

    multimap.put("bar", 2);
    multimap.put("foo", 3);
    assertEquals(ImmutableList.of(1, 3), multimap.get("foo"));
  }

  public void testCreateFromIllegalSize() {
    assertThrows(IllegalArgumentException.class, () -> LinkedListMultimap.create(-20));
  }

  public void testLinkedGetAdd() {
    LinkedListMultimap<String, Integer> map = create();
    map.put("bar", 1);

              }
            }
          });
      executor.execute(
          new Runnable() {
            @Override
            public void run() {
              future.setException(new IllegalArgumentException("failure"));
              if (!future.isDone()) {
                errorMessage.set("SetException call exited before future was complete.");
              }
            }
          });

     */
    @Override
    public ResponseData doGet(final String url) {
        HttpUriRequest httpGet;
        try {
            httpGet = new HttpGet(url);
        } catch (final IllegalArgumentException e) {
            throw new CrawlingAccessException("The url may not be valid: " + url, e);
        }
        return doHttpMethod(url, httpGet);
    }

    /*
     * (non-Javadoc)
     *

        }
      }
    };
  }

  // cloned from ImmutableCollection
  private static int expandedCapacity(int oldCapacity, int minCapacity) {
    if (minCapacity < 0) {
      throw new IllegalArgumentException("cannot store more than Integer.MAX_VALUE elements");
    } else if (minCapacity <= oldCapacity) {
      return oldCapacity;
    }
    // careful of overflow!

    // one should still pass (testVerifyGetsCalled()).
    stimuli = (Stimulus<E, ? super I>[]) new Stimulus<?, ?>[steps];
    if (!elementsToInsertIterable.iterator().hasNext()) {
      throw new IllegalArgumentException();
    }
    elementsToInsert = Helpers.cycle(elementsToInsertIterable);
    this.features = copyToSet(features);
    this.expectedElements = copyToList(expectedElements);
    this.knownOrder = knownOrder;

  public abstract static class Builder<E> {
    static final int DEFAULT_INITIAL_CAPACITY = 4;

    static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {
        throw new IllegalArgumentException("cannot store more than Integer.MAX_VALUE elements");
      } else if (minCapacity <= oldCapacity) {
        return oldCapacity;
      }
      // careful of overflow!

    builder.add(5);
    ImmutableIntArray array = builder.build();
    assertThat(array.asList()).containsExactly(5);
  }

  public void testBuilder_presize_negative() {
    assertThrows(IllegalArgumentException.class, () -> ImmutableIntArray.builder(-1));
  }

  /**
   * If there's a bug in builder growth, we wouldn't know how to expose it. So, brute force the hell
   * out of it for a while and see what happens.

    // one should still pass (testVerifyGetsCalled()).
    stimuli = (Stimulus<E, ? super I>[]) new Stimulus<?, ?>[steps];
    if (!elementsToInsertIterable.iterator().hasNext()) {
      throw new IllegalArgumentException();
    }
    elementsToInsert = Helpers.cycle(elementsToInsertIterable);
    this.features = copyToSet(features);
    this.expectedElements = copyToList(expectedElements);
    this.knownOrder = knownOrder;

    builder.add(5.0);
    ImmutableDoubleArray array = builder.build();
    assertThat(array.asList()).containsExactly(5.0);
  }

  public void testBuilder_presize_negative() {
    assertThrows(IllegalArgumentException.class, () -> ImmutableDoubleArray.builder(-1));
  }

  /**
   * If there's a bug in builder growth, we wouldn't know how to expose it. So, brute force the hell
   * out of it for a while and see what happens.