// TODO(user): Some Strings used in the subclasses can be added as static Strings
  // here too.
  static final String ERROR_PARALLEL_EDGE = "connected by a different edge";
  static final String ERROR_REUSE_EDGE = "it cannot be reused to connect";
  static final String ERROR_MODIFIABLE_COLLECTION =
      "Collection returned is unexpectedly modifiable";
  static final String ERROR_SELF_LOOP = "self-loops are not allowed";

          test.remove(rangeToRemove);
          verify(model, test);
        }
      }
    }
  }

  // identical to testPutTwoAndRemove,
  // verifies that putCoalescing() doesn't cause any mappings to change relative to put()
  public void testPutCoalescingTwoAndRemove() {
    for (Range<Integer> rangeToPut1 : RANGES) {
      for (Range<Integer> rangeToPut2 : RANGES) {

      ServiceManagerState state = this.state.get();
      if (state != null) {
        // Log before the transition, so that if the process exits in response to server failure,
        // there is a higher likelihood that the cause will be in the logs.
        boolean log = !(service instanceof NoOpService);
        if (log) {
          logger
              .get()
              .log(
                  Level.SEVERE,

  // TODO(user): Some Strings used in the subclasses can be added as static Strings
  // here too.
  static final String ERROR_PARALLEL_EDGE = "connected by a different edge";
  static final String ERROR_REUSE_EDGE = "it cannot be reused to connect";
  static final String ERROR_MODIFIABLE_COLLECTION =
      "Collection returned is unexpectedly modifiable";
  static final String ERROR_SELF_LOOP = "self-loops are not allowed";

   * Queue#isEmpty} and {@link Queue#remove()}, since {@link Queue}'s iteration order is undefined.
   * Calling {@link Iterator#hasNext()} on a generated iterator from the returned iterable may cause
   * an item to be immediately dequeued for return on a subsequent call to {@link Iterator#next()}.
   *
   * <p>Whether the input {@code iterable} is a {@link Queue} or not, the returned {@code Iterable}

      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);
  }

  /*

    NPE_IAE_OR_UOE() {
      @Override
      public boolean isExpectedType(Throwable cause) {
        return cause instanceof NullPointerException
            || cause instanceof IllegalArgumentException
            || cause instanceof UnsupportedOperationException;
      }
    };

    public abstract boolean isExpectedType(Throwable cause);
  }

  private static boolean annotatedTypeExists() {
    try {

    assertEquals((Character) 'b', table.erase("bar", 1));
    assertNull(table.get("bar", 1));
    assertEquals(9, table.size());
    assertNull(table.erase("bar", 1));
    assertNull(table.erase("foo", 2));
    assertNull(table.erase("dog", 1));
    assertNull(table.erase("bar", 5));
    assertNull(table.erase(null, 1));
    assertNull(table.erase("bar", null));
  }

    assertEquals((Character) 'b', table.erase("bar", 1));
    assertNull(table.get("bar", 1));
    assertEquals(9, table.size());
    assertNull(table.erase("bar", 1));
    assertNull(table.erase("foo", 2));
    assertNull(table.erase("dog", 1));
    assertNull(table.erase("bar", 5));
    assertNull(table.erase(null, 1));
    assertNull(table.erase("bar", null));
  }

            IllegalArgumentException.class, () -> networkAsMutableNetwork.addEdge(N4, N5, E12));
    assertThat(e).hasMessageThat().contains(ERROR_REUSE_EDGE);
    e = assertThrows(IllegalArgumentException.class, () -> addEdge(N2, N1, E12));
    assertThat(e).hasMessageThat().contains(ERROR_REUSE_EDGE);
  }

  @Test
  public void addEdge_parallelEdge_notAllowed() {
    assume().that(graphIsMutable()).isTrue();