* identical inputs: This sounds like it ought to be a problem here, since the goals of this class
   * include testing that {@code equals()} is reflexive and is tolerant of {@code null}. However,
   * there's no problem. The reason: {@link EqualsTester} tests {@code null} and identical inputs
   * directly against {@code equals()} rather than through the {@code Equivalence}.
   */

  }

  /**
   * Returns a {@code Collector} that accumulates elements into an {@code ImmutableMultiset} whose
   * elements are the result of applying {@code elementFunction} to the inputs, with counts equal to
   * the result of applying {@code countFunction} to the inputs.
   *
   * <p>If the mapped elements contain duplicates (according to {@link Object#equals}), the first

                                        <th style="width: 25%"><la:message
                                                key="labels.dict_mapping_source"/></th>
                                        <td>${f:br(f:h(inputs))}<la:hidden property="inputs"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message key="labels.dict_mapping_target"/></th>

                                        <th style="width: 25%"><la:message
                                                key="labels.dict_synonym_source"/></th>
                                        <td>${f:br(f:h(inputs))}<la:hidden property="inputs"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message key="labels.dict_synonym_target"/></th>

	var errs []error
	allAtEOF := true
	var inputs []chan metaCacheEntry
	mu.Lock()
	// Ask all sets and merge entries.
	listCtx, cancelList := context.WithCancel(ctx)
	defer cancelList()
	for _, pool := range z.serverPools {
		for _, set := range pool.sets {
			wg.Add(1)
			innerResults := make(chan metaCacheEntry, 100)
			inputs = append(inputs, innerResults)
			go func(i int, set *erasureObjects) {

    }

    @ParameterizedTest(name = "Known code {0} maps to message")
    @MethodSource("knownCodeMessagePairs")
    void lookup_returns_expected_message_for_known_codes(int code, String expectedMessage) {
        // Valid inputs: each known code must map to its documented message
        assertEquals(expectedMessage, lookupMessage(code).orElse(null));
    }

    @ParameterizedTest

            final VaErrorHook hook) {
        return getEntity(form).map(entity -> {
            final String[] newInputs = splitLine(form.inputs);
            validateSynonymString(action, newInputs, "inputs", hook);
            entity.setNewInputs(newInputs);
            final String[] newOutputs = splitLine(form.outputs);
            validateSynonymString(action, newOutputs, "outputs", hook);

      chunk = max(1, min(chunk, input.length()));
      assertEquals(expectProcess, bufferHelper(input, chunk));
      assertEquals(expectRead, readUsingJava(input, chunk));
      assertEquals(expectRead, readUsingReader(input, chunk, true));
      assertEquals(expectRead, readUsingReader(input, chunk, false));
    }
  }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {

      chunk = max(1, min(chunk, input.length()));
      assertEquals(expectProcess, bufferHelper(input, chunk));
      assertEquals(expectRead, readUsingJava(input, chunk));
      assertEquals(expectRead, readUsingReader(input, chunk, true));
      assertEquals(expectRead, readUsingReader(input, chunk, false));
    }
  }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {

        try (Reader in = input) {
            return read(in, isStrict(options), getSource(options));
        }
    }

    @Override
    public Model read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (XmlStreamReader in = ReaderFactory.newXmlReader(input)) {