reactorContext = new ReactorContext(result, oldContextClassLoader, reactorBuildStatus);

            String builderId = session.getRequest().getBuilderId();
            Builder builder = builders.get(builderId);
            if (builder == null) {
                throw new BuilderNotFoundException(

        copy.setExecutionListener(original.getExecutionListener());
        copy.setUseLegacyLocalRepository(original.isUseLegacyLocalRepository());
        copy.setBuilderId(original.getBuilderId());
        copy.setStartTime(original.getStartTime());
        return copy;
    }

    @Override
    public String getBaseDirectory() {
        if (basedir == null) {
            return null;

    /**
     * Controls the {@link org.apache.maven.lifecycle.internal.builder.Builder} used by Maven by specification
     * of the builders id.
     *
     * @since 3.2.0
     */
    String getBuilderId();

    /**
     *
     * @param toolchains all toolchains grouped by type
     * @return this request
     * @since 3.3.0
     */

            }

            validateOptionalProfiles(session, request.getProfileActivation());

            LifecycleStarter lifecycleStarter = lookup.lookupOptional(LifecycleStarter.class, request.getBuilderId())
                    .orElseGet(() -> lookup.lookup(LifecycleStarter.class));

            lifecycleStarter.execute(session);

            validateOptionalProjects(request, session);