*/
@Experimental
public interface SettingsBuilderResult extends Result<SettingsBuilderRequest> {

    /**
     * Gets the assembled settings.
     *
     * @return the assembled settings, never {@code null}
     */
    @Nonnull
    Settings getEffectiveSettings();

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity

 */
@Experimental
public interface ToolchainsBuilderResult extends Result<ToolchainsBuilderRequest> {
    /**
     * Gets the assembled toolchains.
     *
     * @return the assembled toolchains, never {@code null}
     */
    @Nonnull
    PersistedToolchains getEffectiveToolchains();

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity

        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.
     *

     */
    public final boolean isEndOfSearch() {
        return this.isEndOfSearch;
    }

    /**
     * Gets the last file name in the response.
     *
     * @return the lastName
     */
    public final String getLastName() {
        return this.lastName;
    }

    /**
     * Gets the resume key for continuing the search.
     *
     * @return the resumeKey
     */
    public final int getResumeKey() {

     */
    private SystemUtil() {
    }

    /**
     * Gets the HTTP address of the search engine.
     *
     * @return The search engine HTTP address.
     */
    public static String getSearchEngineHttpAddress() {
        return System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
    }

    /**
     * Gets the compiled pattern for matching sensitive property/environment variable keys.

        return path.toString();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.
     * @deprecated Use {@link #getPath()} instead.
     */
    @Deprecated
    public File getFile() {
        return path.toFile();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.

     */
    public AvPair(final int type, final byte[] raw) {
        this.type = type;
        this.raw = raw;
    }

    /**
     * Gets the AV pair type
     * @return the type
     */
    public final int getType() {
        return this.type;
    }

    /**
     * Gets the raw data bytes
     * @return the raw
     */
    public final byte[] getRaw() {
        return this.raw;
    }

    String getName();

    /**
     * Gets the full URL of the artifact.
     *
     * @return The full URL of the artifact, never {@code null}.
     */
    String getUrl();

    /**
     * The size of the artifact in bytes.
     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**

    /**
     * The reserved id for Maven Central
     */
    String CENTRAL_ID = "central";

    /**
     * Gets the identifier of this repository.
     *
     * @return the (case-sensitive) identifier, never {@code null}
     */
    @Nonnull
    String getId();

    /**
     * Gets the type of the repository, for example "default".
     *
     * @return the (case-sensitive) type of the repository, never {@code null}

@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
     */