## Overriding dependencies during testing { #overriding-dependencies-during-testing }

There are some scenarios where you might want to override a dependency during testing.

You don't want the original dependency to run (nor any of the sub-dependencies it might have).

    /**
     * {@return an immutable map of the project properties}.
     *
     * @param project the project for which to get the properties
     *
     * @see #setProperty(Project, String, String)
     */
    @Nonnull
    Map<String, String> getProperties(@Nonnull Project project);

    /**
     * Set a given project property. Properties set through this method are only valid

    Model getEffectiveModel();

    /**
     * Gets the profiles that were active during model building.
     *
     * @return The active profiles of the model or an empty list if the model has no active profiles.
     */
    @Nonnull
    List<Profile> getActivePomProfiles();

    /**
     * Gets the profiles that were active during model building for a specific model in the hierarchy.

         */
        REP result,

        /**
         * Any error that occurred during processing; null if the request was successful
         */
        Throwable error) {

    /**
     * Determines if the request was processed successfully.
     *
     * @return true if no error occurred during processing (error is null), false otherwise
     */
    public boolean isSuccess() {
        return error == null;

/**
 * A pluggable service for processing model objects during model building.
 *
 * <p>This service allows implementations to:</p>
 * <ul>
 *   <li>Pool identical objects to reduce memory footprint</li>
 *   <li>Intern objects for faster equality comparisons</li>
 *   <li>Apply custom optimization strategies</li>
 *   <li>Transform or modify objects during building</li>
 * </ul>
 *

    /**
     * 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}.
     */

    /**
     * Gets the model building listener to notify during the build process.
     *
     * @return The model building listener to notify or {@code null} if none.
     */
    ModelBuildingListener getModelBuildingListener();

    /**
     * Sets the model building listener to notify during the build process.
     *

import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.services.MavenException;

/**
 * Represents an exception that occurs during the invocation of a Maven build or command.
 * This exception is typically thrown when there are errors during the execution of a Maven
 * process, such as build failures, plugin errors, or other runtime issues.
 *
 * @since 4.0.0
 */
@Experimental

     *         {@link ProjectBuilderException}.
     */
    @Nonnull
    Optional<Project> getProject();

    /**
     * Gets the problems that were encountered during the project building.
     *
     * @return the problems that were encountered during the project building, can be empty but never {@code null}
     */
    @Nonnull
    Collection<BuilderProblem> getProblems();

    /**

     * {@link ModelProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the model builder to fail with a {@link ModelBuildingException}.
     *
     * @return The problems that were encountered during the model building, can be empty but never {@code null}.
     */
    List<ModelProblem> getProblems();