fun permitsRequestBody(method: String): Boolean = !(method == "GET" || method == "HEAD")

  fun redirectsWithBody(method: String): Boolean = method == "PROPFIND"

  fun redirectsToGet(method: String): Boolean = method != "PROPFIND"

  fun isCacheable(requestMethod: String): Boolean = requestMethod == "GET" || requestMethod == "QUERY"

 */
internal object Adapters {
  val BOOLEAN =
    BasicDerAdapter(
      name = "BOOLEAN",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 1L,
      codec =
        object : BasicDerAdapter.Codec<Boolean> {
          override fun decode(reader: DerReader): Boolean = reader.readBoolean()

          override fun encode(
            writer: DerWriter,
            value: Boolean,
          ) = writer.writeBoolean(value)

        private final boolean verbose;

        MockInvokerRequest(boolean verbose) {
            this.verbose = verbose;
        }

        boolean effectiveVerbose() {
            return verbose;
        }
    }

    private static class MockOptions {
        private final boolean quiet;

        MockOptions(boolean quiet) {
            this.quiet = quiet;
        }

    }

    @Override
    public boolean removeAll(Collection<?> collection) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.removeAll(collection);
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override
    public boolean contains(Object object) {

    }

    @Override
    public boolean removeAll(Collection<?> collection) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.removeAll(collection);
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override
    public boolean contains(Object object) {

  @Override
  public Set<E> elementSet() {
    return delegate().elementSet();
  }

  @Override
  public Set<Entry<E>> entrySet() {
    return delegate().entrySet();
  }

  @Override
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

  @Override
  public int hashCode() {
    return delegate().hashCode();
  }

  @CanIgnoreReturnValue

    return true;
  }

  @Override
  @CanIgnoreReturnValue
  public boolean addEdge(EndpointPair<N> endpoints, E edge) {
    validateEndpoints(endpoints);
    return addEdge(endpoints.nodeU(), endpoints.nodeV(), edge);
  }

  @Override
  @CanIgnoreReturnValue
  public boolean removeNode(N node) {
    checkNotNull(node, "node");

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

    @Override
    public String buildDisplayString(String name, boolean column, boolean relation) { // #pending
        return toString();
    }

    // ===================================================================================

    @Override
    public String toStringWithRelation() { // #pending
        return toString();
    }

    @Override
    public String buildDisplayString(String name, boolean column, boolean relation) { // #pending
        return toString();
    }

    // ===================================================================================

        });
  }

  private final boolean allowsSelfLoops;
  private final boolean allowsParallelEdges;
  private final ElementOrder<Integer> nodeOrder;
  private final ElementOrder<String> edgeOrder;

  public StandardMutableDirectedNetworkTest(
      boolean allowsSelfLoops,
      boolean allowsParallelEdges,
      ElementOrder<Integer> nodeOrder,