Combiner unused = ClosingFuture.whenAllComplete(asList(closingFuture));
    assertDerivingThrowsIllegalStateException(closingFuture);
    assertFinalStepThrowsIllegalStateException(closingFuture);
  }

  public void testWhenAllSucceed_preventsFurtherOperations() {
    ClosingFuture<String> closingFuture = ClosingFuture.from(immediateFuture("value1"));

   * relying on this, as we have made incompatible changes to serialized forms in the past and
   * expect to do so again, as discussed in https://github.com/google/guava#important-warnings.
   */
  @SuppressWarnings("unused")
  private static final class SerializedForm<V> implements Serializable {
    final ImmutableMap<?, V> map;

    SerializedForm(ImmutableMap<?, V> map) {
      this.map = map;
    }

        "U1.00", "U1.00", "R0.00", "R0.00", "R0.00", "R0.00", // first request and burst
        "R0.20");
  }

  public void testCreateWarmupParameterValidation() {
    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

        "U1.00", "U1.00", "R0.00", "R0.00", "R0.00", "R0.00", // first request and burst
        "R0.20");
  }

  public void testCreateWarmupParameterValidation() {
    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

            .build();

    cache.put(key, "1");
    // simultaneous load and deletion
    doParallelCacheOp(
        count,
        n -> {
          try {
            String unused = cache.get(key, () -> key);
            cache.asMap().compute(key, (k, v) -> null);
          } catch (ExecutionException e) {
            throw new UncheckedExecutionException(e);
          }
        });

  </module>

  <module name="TreeWalker">
    <!-- Make the @SuppressWarnings annotations available to Checkstyle -->
    <module name="SuppressWarningsHolder" />

    <module name="AvoidStarImport" />

    <!-- Unused imports are forbidden -->
    <module name="UnusedImports" />

    <!-- Non-inner classes must be in files that match their names. -->
    <module name="OuterTypeFilename" />

                            dependenciesToModify.addToMap(filePath, extractDependencies(index))
                        }

                        line.contains("Unused dependencies which should be removed:") -> {
                            dependenciesToRemove.addToMap(filePath, extractDependencies(index))
                        }
                    }
                }
            }

  }

  public void testReentrantHasNext() {
    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          @Override
          protected Integer computeNext() {
            boolean unused = hasNext();
            throw new AssertionError();
          }
        };
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

     * https://github.com/jspecify/checker-framework/issues/8.)
     */
    return removedValue == null ? null : (V) removedValue;
  }

  @Override
  public void addPredecessor(N node, V unused) {
    Object previousValue = adjacentNodeValues.put(node, PRED);
    boolean addedPredecessor;

    if (previousValue == null) {
      addedPredecessor = true;
    } else if (previousValue instanceof PredAndSucc) {

        }

        public MyToken(final String word, final int startOffset, final int endOffset, final int posInc, final int seq) {
            this.word = word;
            this.startOffset = startOffset;
            this.endOffset = endOffset;
            this.posInc = posInc;
            this.output = null; // means unused
            this.seq = seq;
        }