public interface ToolchainsBuilder {

    /**
     * Builds the effective toolchains of the specified toolchains files.
     *
     * @param request The toolchains building request that holds the parameters, must not be {@code null}.
     * @return The result of the toolchains building, never {@code null}.
     * @throws ToolchainsBuildingException If the effective toolchains could not be built.
     */

 */
package org.apache.maven.toolchain.building;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.apache.maven.building.Problem;
import org.apache.maven.building.ProblemCollector;

import org.apache.maven.model.PluginManagement;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.apache.maven.model.merge.MavenModelMerger;

/**

public interface SettingsBuilder {

    /**
     * Builds the effective settings of the specified settings files.
     *
     * @param request The settings building request that holds the parameters, must not be {@code null}.
     * @return The result of the settings building, never {@code null}.
     * @throws SettingsBuildingException If the effective settings could not be built.
     */

import javax.inject.Singleton;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.ModelProblemUtils;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuilder;
import org.apache.maven.project.ProjectBuildingException;

     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link SettingsProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link SettingsBuildingException}.
     *
     * @return The problems that were encountered during the settings building, can be empty but never {@code null}.
     */

 * under the License.
 */
package org.apache.maven.model.plugin;

import org.apache.maven.model.Model;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles expansion of general report plugin configuration into individual report sets.
 *

              <!--              <exclude>org.apache.maven.settings.building.DefaultSettingsBuilder#setSettingsReader(org.apache.maven.settings.io.SettingsReader):METHOD_REMOVED</exclude>-->

import org.apache.maven.settings.SettingsUtils;
import org.apache.maven.settings.building.DefaultSettingsBuildingRequest;
import org.apache.maven.settings.building.SettingsBuilder;
import org.apache.maven.settings.building.SettingsBuildingRequest;
import org.apache.maven.settings.building.SettingsBuildingResult;
import org.apache.maven.settings.building.SettingsProblem;
import org.apache.maven.settings.crypto.SettingsDecrypter;

 * under the License.
 */
package org.apache.maven.model.normalization;

import org.apache.maven.model.Model;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;

/**
 * Handles normalization of a model. In this context, normalization is the process of producing a canonical