}
    return false;
  }

  @Override
  public int hashCode() {
    return presentFeatures.hashCode() * 31 + absentFeatures.hashCode();
  }

  @Override
  public String toString() {
    return "{TesterRequirements: present=" + presentFeatures + ", absent=" + absentFeatures + "}";
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

      TypeParameter<?> that = (TypeParameter<?>) o;
      return typeVariable.equals(that.typeVariable);
    }
    return false;
  }

  @Override
  public String toString() {
    return typeVariable.toString();
  }

    }

    @Override
    public int hashCode() {
      return Objects.hash(source(), target());
    }

    @Override
    public String toString() {
      return "<" + source() + " -> " + target() + ">";
    }
  }

  private static final class Unordered<N> extends EndpointPair<N> {
    private Unordered(N nodeU, N nodeV) {
      super(nodeU, nodeV);

    this.delegate = delegate;
    this.mutex = mutex;
  }

  @Override
  protected Set<E> delegate() {
    return delegate;
  }

  @Override
  public String toString() {
    assertTrue(Thread.holdsLock(mutex));
    return super.toString();
  }

  @Override
  public boolean equals(@Nullable Object o) {
    assertTrue(Thread.holdsLock(mutex));
    return super.equals(o);
  }

  @Override

                new TestStringSortedMapGenerator() {
                  @Override
                  protected SortedMap<String, String> create(Entry<String, String>[] entries) {
                    NavigableMap<String, String> map = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }

        taskRunner.logger.taskLog(futureTasks[i], this) { "canceled" }
        tasksCanceled = true
        futureTasks.removeAt(i)
      }
    }
    return tasksCanceled
  }

  override fun toString(): String = name

  }

  @Override
  public int bits() {
    return 32;
  }

  @Override
  public Hasher newHasher() {
    return new Murmur3_32Hasher(seed);
  }

  @Override
  public String toString() {
    return "Hashing.murmur3_32(" + seed + ")";
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof Murmur3_32HashFunction) {

            }

            @Override
            public int hashCode() {
                return Objects.hash(artifactCoordinates, repositories);
            }

            @Override
            public String toString() {
                return "VersionResolverRequest[" + "artifactCoordinates="
                        + artifactCoordinates + ", repositories="
                        + repositories + ']';
            }
        }

            }

            @Override
            public int hashCode() {
                return Objects.hash(artifactCoordinates, repositories);
            }

            @Override
            public String toString() {
                return "VersionResolverRequest[" + "artifactCoordinates="
                        + artifactCoordinates + ", repositories="
                        + repositories + ']';
            }
        }

                return 0;
            }

            @Override
            public int getFileIndex() {
                return 0;
            }

            @Override
            public String toString() {
                return "Entry(" + name + ")";
            }
        };
    }

    // Controllable concrete subclass to drive behavior deterministically