moduleInfo = new HashMap<>();
        pathTypes = new HashMap<>();
    }

    /**
     * Gets module information for the given JAR file or output directory.
     * Module descriptors are read when first requested, then cached.
     */
    PathModularization getModuleInfo(Path path) throws IOException {
        PathModularization info = moduleInfo.get(path);
        if (info == null) {

            throws IOException;

    /**
     * Calculates checksums for specified stream. Upon this method returns, the stream will be depleted (fully read)
     * but not closed.
     *
     * @param stream      The stream for which to calculate checksums, must not be {@code null}.
     * @param algorithms  The checksum algorithms to use, must not be {@code null}.

            if (inputStream != null) {
                return xml.read(inputStream, request.isStrict());
            } else if (reader != null) {
                return xml.read(reader, request.isStrict());
            } else if (path != null) {
                try (InputStream is = Files.newInputStream(path)) {
                    return xml.read(is, request.isStrict());
                }
            } else {

        final byte[] buffer = new byte[1024 * 32];
        for (; ; ) {
            int read = stream.read(buffer);
            if (read < 0) {
                break;
            }
            for (ChecksumCalculator checksumCalculator : algMap.values()) {
                checksumCalculator.update(ByteBuffer.wrap(buffer, 0, read));
            }
        }

        final byte[] buffer = new byte[1024 * 32];
        for (; ; ) {
            int read = stream.read(buffer);
            if (read < 0) {
                break;
            }
            for (ChecksumCalculator checksumCalculator : algMap.values()) {
                checksumCalculator.update(ByteBuffer.wrap(buffer, 0, read));
            }
        }

     *
     * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.
     * @param profile The (read-only) profile whose values should be injected, may be <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.

 * under the License.
 */
package org.apache.maven.api.services.xml;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.toolchain.PersistedToolchains;

/**
 * Reads and writes a {@link PersistedToolchains} object to/from XML.
 *
 * @since 4.0.0
 */
@Experimental

            String modelId = "org.apache.maven:maven-model-builder:" + version + "-"
                    + this.getClass().getPackage().getImplementationVersion() + ":super-pom";
            return modelProcessor.read(XmlReaderRequest.builder()
                    .modelId(modelId)
                    .location(url.toExternalForm())
                    .inputStream(is)
                    .strict(false)
                    .build());

 * <p>
 * A note to the reader;
 * </p>
 * <p>
 * There are several issues/discussions regarding how "aggregator" plugins should be handled.
 * Read for instance http://docs.codehaus.org/display/MAVEN/Deterministic+Lifecycle+Planning
 * </p>
 * <p>
 * In their current implementation they are "bolted" onto the lifecycle by separating them

     * track the problem back to its origin. A concrete example for such a source hint can be the file path or URL from
     * which the settings were read.
     *
     * @return The hint about the source of the problem or an empty string if unknown, never {@code null}.
     */
    String getSource();

    /**