*/
    @Deprecated
    ProjectBuildingRequest setResolveVersionRanges(boolean value);

    /**
     * The possible merge modes for combining remote repositories.
     */
    enum RepositoryMerging {

        /**
         * The repositories declared in the POM have precedence over the repositories specified in the request.
         */

        if (t instanceof Exception && !(t instanceof RuntimeException)) {
            eventCatapult.fire(ExecutionEvent.Type.ProjectFailed, currentSession, null, (Exception) t);
        }

        // reactor failure modes
        if (t instanceof RuntimeException || !(t instanceof Exception)) {
            // fail fast on RuntimeExceptions, Errors and "other" Throwables
            // assume these are system errors and further build is meaningless

 */
public interface ProfileInjector {

    /**
     * Merges values from the specified profile into the given model. Implementations are expected to keep the profile
     * and model completely decoupled by injecting deep copies rather than the original objects from the profile.
     *
     * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.

     * @return {@link System#getProperties()} obtained in a thread-safe manner.
     */
    public static Properties getSystemProperties() {
        return copyProperties(System.getProperties());
    }

    /**
     * Copies the given {@link Properties} object into a new {@link Properties} object, in a thread-safe manner.
     * @param properties Properties to copy.
     * @return Copy of the given properties.
     */

import org.apache.maven.toolchain.model.PersistedToolchains;

/**
 * Assists in populating an execution request for invocation of Maven.
 *
 */
public interface MavenExecutionRequestPopulator {
    /**
     * Copies the values from the given toolchains into the specified execution request. This method will replace any
     * existing values in the execution request that are controlled by the toolchains. Hence, it is expected that this

                    }
                } else {
                    // move on to next in r1
                    if (i1.hasNext()) {
                        res1 = i1.next();
                    } else {
                        done = true;
                    }
                }
            } else {
                // move on to next in r2
                if (i2.hasNext()) {
                    res2 = i2.next();

import org.apache.maven.api.services.ModelRepositoryHolder;
import org.apache.maven.api.services.RepositoryFactory;

public class DefaultModelRepositoryHolder implements ModelRepositoryHolder {

    /**
     * The possible merge modes for combining remote repositories.
     */
    public enum RepositoryMerging {

        /**
         * The repositories declared in the POM have precedence over the repositories specified in the request.
         */

public interface InheritanceAssembler {

    /**
     * Merges values from the specified parent model into the given child model. Implementations are expected to keep
     * parent and child completely decoupled by injecting deep copies of objects into the child rather than the original
     * objects from the parent.
     *
     * @param child The child model into which to merge the values inherited from the parent, must not be

     * In turn, every {@link Language} implementation must be compatible with {@code NONE} language.
     */
    Language NONE = language("none");

    // TODO: this should be moved out from here to Java Support (builtin into core)
    Language JAVA_FAMILY = language("java");

                testPlugin = plugin;
            }

            Integer count = validPluginCounts.get(pluginArtifactId);

            assertEquals(0, (int) count, "Multiple copies of plugin: " + pluginArtifactId + " found in POM.");

            count = count + 1;

            validPluginCounts.put(pluginArtifactId, count);
        }

        assertNotNull(testPlugin);