for (ArtifactRepositoryPolicy policy : policies) {
            if (effectivePolicy == null) {
                effectivePolicy = new ArtifactRepositoryPolicy(policy);
            } else {
                effectivePolicy.merge(policy);
            }
        }

        return effectivePolicy;
    }

    public ArtifactRepository createLocalRepository(MavenExecutionRequest request, File localRepository)

     * Merges response data from the crawler into the original data map.
     * Handles special ".overwrite" suffix fields by removing the suffix and overwriting the base field.
     *
     * @param dataMap the original data map to merge into
     * @param responseDataMap the response data map from the crawler
     */
    protected void mergeResponseData(final Map<String, Object> dataMap, final Map<String, Object> responseDataMap) {

                        final float currentScore = toFloat(existingDoc.get(scoreField));
                        existingDoc.put(scoreField, currentScore + rrfScore);
                        // Merge searcher names
                        final String[] searcherNames = DocumentUtil.getValue(doc, Constants.SEARCHER, String[].class);
                        if (searcherNames != null) {

		}
		if buf.Cap() > writeBufferSize*8 {
			// Reset buffer if it gets too big, so we don't keep it around.
			buf = bytes.Buffer{}
		}
		buf.Reset()
		return true
	}

	// Merge buffer to keep between calls
	merged := make([]byte, 0, writeBufferSize)
	for {
		var toSend []byte
		select {
		case <-ctx.Done():
			return
		case <-ping.C:
			if c.State() != StateConnected {

    assertThrows(UnsupportedOperationException.class, () -> unmod.compute(4, (k, v) -> v));
    assertThrows(UnsupportedOperationException.class, () -> unmod.merge(4, "four", (k, v) -> v));
    assertThrows(UnsupportedOperationException.class, () -> unmod.clear());

    /* UnsupportedOperationException on indirect modifications. */
    BiMap<String, Number> inverse = unmod.inverse();

                XmlNode parameterDefaults = defaultConfiguration.child(parameter.getName());

                if (parameterConfiguration != null) {
                    parameterConfiguration = XmlService.merge(parameterConfiguration, parameterDefaults, Boolean.TRUE);
                } else {
                    parameterConfiguration = parameterDefaults;
                }

    checkArgument(columnIndex != null, "Column %s not in %s", columnKey, columnList);
    return set(rowIndex, columnIndex, value);
  }

  /*
   * TODO(jlevy): Consider creating a merge() method, similar to putAll() but
   * copying non-null values only.
   */

  /**
   * {@inheritDoc}
   *
   * <p>If {@code table} is an {@code ArrayTable}, its null values will be stored in this table,

            <ul>
            <li>{@code combine.children}: available values are {@code merge} (default) and {@code append},</li>
            <li>{@code combine.self}: available values are {@code merge} (default) and {@code override}.</li>
            </ul>

            @see <a href="https://maven.apache.org/pom.html#Plugins">POM Reference documentation</a>

## Changelog since v1.22.7

## Changes by Kind

### API Change

## Changelog since v1.23.4

## Changes by Kind

### API Change