return sequence.toString();
    }

    @Override
    public int countIn(CharSequence sequence) {
      checkNotNull(sequence);
      return 0;
    }

    @Override
    public CharMatcher and(CharMatcher other) {
      checkNotNull(other);
      return this;
    }

    @Override
    public CharMatcher or(CharMatcher other) {

        return _columnParameters;
    }

    public ColumnInfo columnPassword() {
        return _columnPassword;
    }

    public ColumnInfo columnPort() {
        return _columnPort;
    }

    public ColumnInfo columnProtocolScheme() {
        return _columnProtocolScheme;
    }

    public ColumnInfo columnUpdatedBy() {
        return _columnUpdatedBy;
    }

    @Override
    public void clear() {
      standardClear();
    }

    @Override
    public boolean contains(Object object) {
      return standardContains(object);
    }

    @Override
    public boolean containsAll(Collection<?> collection) {
      return standardContainsAll(collection);
    }

    @Override
    public boolean remove(Object object) {
      return standardRemove(object);
    }

    }

    @Override
    public boolean hasNext() {
      return iterator.hasNext();
    }

    @Override
    public T next() {
      try {
        return iterator.next();
      } catch (NoSuchElementException e) {
        nextThrewException = true;
        throw e;
      }
    }

    @Override
    public void remove() {
      if (nextThrewException) {

  public Set<N> predecessors(N node) {
    return delegate().predecessors(node);
  }

  @Override
  public Set<N> successors(N node) {
    return delegate().successors(node);
  }

  @Override
  public int degree(N node) {
    return delegate().degree(node);
  }

  @Override
  public int inDegree(N node) {
    return delegate().inDegree(node);
  }

  @Override
  public int outDegree(N node) {

          public boolean isDone() {
            return true;
          }

          @Override
          public boolean isCancelled() {
            return false; // BAD!!
          }

          @Override
          public String get() {
            throw new CancellationException(); // BAD!!
          }

          @Override
          public String get(long time, TimeUnit unit) {

        public void columnCreatedBy() {
            doColumn("createdBy");
        }

        public void columnCreatedTime() {
            doColumn("createdTime");
        }

        public void columnMaxSize() {
            doColumn("maxSize");
        }

        public void columnQuery() {
            doColumn("query");
        }

        public void columnTerm() {
            doColumn("term");

  }

  public static class NoDefaultConstructor {
    public NoDefaultConstructor(@SuppressWarnings("unused") int i) {}
  }

  public static class WithExceptionalConstructor {
    public static final WithExceptionalConstructor INSTANCE =
        new WithExceptionalConstructor("whatever");

    public WithExceptionalConstructor() {

        }

        public void setExecuteResult(String executeResult) {
            this.executeResult = executeResult;
        }

        public void setThrowException(boolean throwException) {
            this.throwException = throwException;
        }

        // Expose protected methods for testing
        public void testAddSystemProperty(List<String> cmdList, String name, String defaultValue, String appendValue) {

 *
 * @author Anthony Zana
 */
@GwtCompatible
@NullUnmarked
public class FutureCallbackTest extends TestCase {
  public void testSameThreadSuccess() {
    SettableFuture<String> f = SettableFuture.create();
    MockCallback callback = new MockCallback("foo");
    addCallback(f, callback, directExecutor());
    f.set("foo");
  }

  public void testExecutorSuccess() {