* <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();

    /**

     *
     * @return The assembled model, never {@code null}.
     */
    @Nonnull
    Model getEffectiveModel();

    /**
     * Gets the specified raw model as it was read from a model source. Apart from basic validation, a raw model has not
     * undergone any updates by the model builder, e.g. reflects neither inheritance nor interpolation. The model

        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) {

            }
        } else if (metadataFile.exists()) {
            try (InputStream input = Files.newInputStream(metadataFile.toPath())) {
                metadata = new Metadata(new MetadataStaxReader().read(input, false));
            }
        }

        boolean changed;

        // If file could not be found or was not valid, start from scratch
        if (metadata == null) {
            metadata = this.metadata;

            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata pluginGroupMetadata = metadataReader.read(metadata.getFile(), options);

                List<org.apache.maven.artifact.repository.metadata.Plugin> plugins = pluginGroupMetadata.getPlugins();

                if (plugins != null) {

DEFAULT_END_TOKEN; public void InterpolationFilterR(java.io.Reader, java.util.Map, String, String); public void InterpolationFilterR(java.io.Reader, java.util.Map); public long skip(long) throws java.io.IOException; public int read(char[], int, int) throws java.io.IOException; public int read() throws java.io.IOException; static void <clinit>(); } org/codehaus/plexus/util/introspection/ClassMap$1.class package org.codehaus.plexus.util.introspection; synchronized class ClassMap$1 { } org/codehaus/plexus/ut...

    <p>A Toolchain is a preconfigured object that Maven plugins can use for tool configuration retrieval (location and other information).
    <p>The <a href="/plugins/maven-toolchains-plugin/">toolchains-plugin</a> can read available toolchains on the user's computer
    and match them against the toolchain requirements of the project (as configured in {@code pom.xml}):

arserExcepti; public org.apache.maven.artifact.repository.metadata.Metadata read(java.io.Reader, boolean) throws java.io.IOException, org.codehaus.plexus.util.xml.pull.XmlPullParserExcepti; public org.apache.maven.artifact.repository.metadata.Metadata read(java.io.Reader) throws java.io.IOException, org.codehaus.plexus.util.xml.pull.XmlPullParserExcepti; public org.apache.maven.artifact.repository.metadata.Metadata read(java.io.InputStream, boolean) throws java.io.IOException, org.codehaus.plexu...

    whole or in part contains or is derived from the Program or any part
    thereof, to be licensed as a whole at no charge to all third parties
    under the terms of this License.

    c) If the modified program normally reads commands interactively
    when run, you must cause it, when started running for such
    interactive use in the most ordinary way, to print or display an
    announcement including an appropriate copyright notice and a notice