@Experimental
public interface ToolchainsBuilderRequest extends Request<ProtoSession> {

    /**
     * Gets the installation Toolchains source.
     *
     * @return the installation Toolchains source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getInstallationToolchainsSource();

    /**
     * Gets the user Toolchains source.
     *
     * @return the user Toolchains source or {@code null} if none
     */

        this.columnNumber = columnNumber;
    }

    /**
     * Gets the one-based index of the line containing the error.
     *
     * @return The one-based index of the line containing the error or a non-positive value if unknown.
     */
    public int getLineNumber() {
        return lineNumber;
    }

    /**
     * Gets the one-based index of the column containing the error.
     *

        /**
         * Validation for Maven 4.1 POM format.
         */
        V41,

        /**
         * Validation for Maven 4.2 POM format.
         */
        V42
    }

    /**
     * Gets the identifier of the model from which the problem originated. The identifier is derived from the
     * information that is available at the point the problem occurs and as such merely serves as best effort

        this.comparator = createComparator();
    }

    /**
     * Gets the comparator for ordering projects by critical path priority.
     *
     * @return comparator that orders projects with longer dependency chains first
     */
    public Comparator<MavenProject> getComparator() {
        return comparator;
    }

    /**
     * Gets the calculated weight for a project, representing its dependency chain length.
     *

 */
@Deprecated(since = "4.0.0")
interface ModelCacheTag<T> {

    /**
     * Gets the name of the tag.
     *
     * @return The name of the tag, must not be {@code null}.
     */
    String getName();

    /**
     * Gets the type of data associated with this tag.
     *
     * @return The type of data, must not be {@code null}.
     */
    Class<T> getType();

        this.projectComparator = new SmartProjectComparator(projectDependencyGraph);
    }

    public int getNumberOfBuilds() {
        return projectBuilds.size();
    }

    /**
     * Gets all the builds that have no reactor-dependencies, ordered by critical path priority
     *
     * @return A list of all the initial builds, ordered by priority (critical path first)
     */

    /**
     * Gets the path to the project to build.
     * This is typically the path to a pom.xml file or a directory containing a pom.xml file.
     *
     * @return an optional containing the path to the project, or empty if not specified
     */
    @Nonnull
    Optional<Path> getPath();

    /**
     * Gets the source of the project to build.

     */
    public void setIndentString(String indentString) {
        this.indentString = indentString != null ? indentString : Indentation.DEFAULT;
    }

    /**
     * Gets the current indentation prefix based on the current level.
     */
    private String getCurrentIndent() {
        if (indentLevel == 0) {
            return "";
        }
        return indentString.repeat(indentLevel);

     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setSystemProperties(Properties systemProperties);

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *

    /**
     * Returns the start time of the session.
     *
     * @return the start time as an Instant object, never {@code null}
     */
    @Nonnull
    Instant getStartTime();

    /**
     * Gets the directory of the topmost project being built, usually the current directory or the
     * directory pointed at by the {@code -f/--file} command line argument.
     *