val result = nextUrl!!
        nextUrl = null
        canRemove = true
        return result
      }

      override fun remove() {
        check(canRemove) { "remove() before next()" }
        delegate.remove()
      }
    }
  }

  @Synchronized fun writeAbortCount(): Int = writeAbortCount

  @Synchronized fun writeSuccessCount(): Int = writeSuccessCount

    } // -- java.util.List<String> getGoals()

    /**
     * Method removeGoal.
     *
     * @param string a string object.
     */
    public void removeGoal(String string) {
        getGoals().remove(string);
    } // -- void removeGoal( String )

    /**
     * Set configuration to pass to the goals.
     *
     * @param configuration a configuration object.
     */

    backingMap.setValue(entryIndex, (int) newCount);
    size += occurrences;
    return oldCount;
  }

  @CanIgnoreReturnValue
  @Override
  public final int remove(@Nullable Object element, int occurrences) {
    if (occurrences == 0) {
      return count(element);
    }
    checkArgument(occurrences > 0, "occurrences cannot be negative: %s", occurrences);

        fixed |= fixedCombineChildrenCount > 0;

        return fixed;
    }

    /**
     * Fixes unsupported combine.self attribute values.
     * Maven 4 only supports 'override', 'merge', and 'remove' (default is merge), not 'append'.
     */
    private boolean fixUnsupportedCombineSelfAttributes(Document pomDocument, UpgradeContext context) {
        boolean fixed = false;
        Element root = pomDocument.root();

    }
  }

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");
  }

  private CollectPreconditions() {}

  }

  private static Set<Feature<?>> computeReserializedMapFeatures(Set<Feature<?>> mapFeatures) {
    Set<Feature<?>> derivedFeatures = copyToSet(mapFeatures);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE);
    derivedFeatures.remove(CollectionFeature.SERIALIZABLE_INCLUDING_VIEWS);
    return derivedFeatures;
  }

  private static Set<Feature<?>> computeEntrySetFeatures(Set<Feature<?>> mapFeatures) {

    map.put("quux", 3);

    map.remove("bar");
    assertThat(map.entrySet())
        .containsExactly(immutableEntry("foo", 1), immutableEntry("quux", 3))
        .inOrder();
  }

  public void testInsertionOrderAfterRemoveLast() {
    BiMap<String, Integer> map = HashBiMap.create();
    map.put("foo", 1);
    map.put("bar", 2);
    map.put("quux", 3);

    map.remove("quux");
    assertThat(map.entrySet())

    Set<Feature<?>> inverseFeatures = new HashSet<>(mapFeatures);

    boolean nullKeys = inverseFeatures.remove(MapFeature.ALLOWS_NULL_KEYS);
    boolean nullValues = inverseFeatures.remove(MapFeature.ALLOWS_NULL_VALUES);

    if (nullKeys) {
      inverseFeatures.add(MapFeature.ALLOWS_NULL_VALUES);
    }
    if (nullValues) {

    assertTrue(result.remove(v0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEquals(2, multimap().size());
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testPropagatesRemoveLastElementToMultimap() {
    Collection<V> result = multimap().get(k0());
    assertTrue(result.remove(v0()));
    assertGet(k0());
  }

        assertEquals(1, project.getSourceRoots().size());

        // Try to remove a different directory
        project.removeSourceRoot(ProjectScope.MAIN, Language.JAVA_FAMILY, "src/test/java");

        assertEquals(1, project.getSourceRoots().size());

        // Try to remove a different scope
        project.removeSourceRoot(ProjectScope.TEST, Language.JAVA_FAMILY, "src/main/java");