assertNotNull(result.getEffectiveToolchains());
        assertEquals(1, result.getEffectiveToolchains().getToolchains().size());
        assertEquals(
                "TYPE", result.getEffectiveToolchains().getToolchains().get(0).getType());
        assertEquals(
                "user_value",
                result.getEffectiveToolchains()
                        .getToolchains()

@Deprecated(since = "4.0.0")
public interface ToolchainsBuildingResult {

    /**
     * Gets the assembled toolchains.
     *
     * @return The assembled toolchains, never {@code null}.
     */
    PersistedToolchains getEffectiveToolchains();

    /**
     * Return a list of problems, if any.
     *
     * @return a list of problems, never {@code null}.
     */
    List<Problem> getProblems();

@Experimental
public interface ToolchainsBuilderResult {
    /**
     * 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.effectiveToolchains = effectiveToolchains;
        this.problems = (problems != null) ? problems : new ArrayList<>();
    }

    @Override
    public PersistedToolchains getEffectiveToolchains() {
        return effectiveToolchains;
    }

    @Override
    public List<Problem> getProblems() {
        return problems;
    }

                    .build());

            return new DefaultToolchainsBuildingResult(
                    new PersistedToolchains(result.getEffectiveToolchains()), convert(result.getProblems()));
        } catch (ToolchainsBuilderException e) {
            throw new ToolchainsBuildingException(convert(e.getProblems()));
        }
    }

        context.mavenExecutionRequestPopulator.populateFromToolchains(
                context.mavenExecutionRequest,
                new org.apache.maven.toolchain.model.PersistedToolchains(toolchainsResult.getEffectiveToolchains()));

        if (!toolchainsResult.getProblems().isEmpty()) {
            context.logger.warn("");
            context.logger.warn("Some problems were encountered while building the effective toolchains");

        eventSpyDispatcher.onEvent(toolchainsResult);

        executionRequestPopulator.populateFromToolchains(cliRequest.request, toolchainsResult.getEffectiveToolchains());

        if (!toolchainsResult.getProblems().isEmpty() && slf4jLogger.isWarnEnabled()) {
            slf4jLogger.warn("");