@MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutDuplicateValuePreservesSize() {
    assertFalse(multimap().put(k0(), v0()));
    assertEquals(getNumElements(), multimap().size());
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutDuplicateValue() {
    List<Entry<K, V>> entries = copyToList(multimap().entries());

    for (Entry<K, V> entry : entries) {

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testClear() {
    collection.clear();
    assertTrue("After clear(), a collection should be empty.", collection.isEmpty());
    assertEquals(0, collection.size());
    assertFalse(collection.iterator().hasNext());
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClear_unsupported() {

        .testEquals();
  }

  public void testToString() {
    assertEquals("{}", INSTANCE.toString());
  }

  public void testSize() {
    assertEquals(0, INSTANCE.size());
  }

  public void testGet() {
    assertNull(INSTANCE.get('a', 1));
  }

  public void testIsEmpty() {
    assertTrue(INSTANCE.isEmpty());
  }

  public void testCellSet() {

  Set<E> incidentEdges();

  Set<E> inEdges();

  Set<E> outEdges();

  /**
   * Returns the set of edges connecting the origin node to {@code node}. For networks without
   * parallel edges, this set cannot be of size greater than one.
   */
  Set<E> edgesConnecting(N node);

  /**
   * Returns the node that is adjacent to the origin node along {@code edge}.
   *

    // -------------------------------------------------------------------------------------------
    public MetadataTreeNode getClasspathAsTree() throws MetadataResolutionException {
        if (classpath == null || classpath.size() < 1) {
            return null;
        }

        MetadataTreeNode tree = null;
        MetadataTreeNode parent = null;

        for (ArtifactMetadata md : classpath) {

        def parent = sibling.parentNode
        def next = sibling.nextSibling
        builder.elements.each { element ->
            parent.insertBefore(element, next)
        }
        return builder.elements.size() == 1 ? builder.elements[0] : builder.elements
    }

            StringBuilder signature = new StringBuilder();
            signature.append("(");
            for (int i = 0; i < methodDoc.getMetaData().getParameters().size(); i++) {
                if (i > 0) {
                    signature.append(", ");
                }
                signature.append(methodDoc.getMetaData().getParameters().get(i).getName());
            }

            for (Map.Entry<String, Collection<String>> entry : simpleNames.asMap().entrySet()) {
                if (entry.getValue().size() > 1) {
                    StringBuilder warning = new StringBuilder();
                    warning.append(String.format("Multiple DSL types have short name '%s':\n", entry.getKey()));

again:
	nextOut, ok := w.buffer[w.nextOffset]
	if ok {
		n, err = w.w.Write(nextOut)
		delete(w.buffer, w.nextOffset)
		w.nextOffset += int64(n)
		if n != len(nextOut) {
			return 0, fmt.Errorf("expected write size %d but wrote %d bytes", len(nextOut), n)
		}
		if err != nil {
			return 0, err
		}
		goto again
	}

	return len(b), nil
}

        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(0, urlList.size());

        urlList.clear();
        urlList.add(RequestDataBuilder.newRequestData().get().url("http://www.example.com").build());
        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(1, urlList.size());
        assertEquals("http://www.example.com", urlList.get(0).getUrl());