public CompatibilityIdeaProjectJavaLanguageSettings(IdeaProject ideaProject) {
            this.ideaProject = ideaProject;
        }

        public JavaVersion getLanguageLevel() {
            return JavaVersion.valueOf(ideaProject.getLanguageLevel().getLevel().replaceFirst("JDK", "VERSION"));
        }
    }

        JavaVersion projectTargetBytecodeLevel = projectModel.getTargetBytecodeVersion();

        DefaultIdeaProject out = new DefaultIdeaProject()
            .setName(projectModel.getName())
            .setJdkName(projectModel.getJdkName())
            .setLanguageLevel(new DefaultIdeaLanguageLevel(projectModel.getLanguageLevel().getLevel()))

    private IdeaLanguageLevel languageLevel;
    private String jdkName;
    private DefaultIdeaJavaLanguageSettings javaLanguageSettings;

    public IdeaLanguageLevel getLanguageLevel() {
        return languageLevel;
    }

    public DefaultIdeaProject setLanguageLevel(IdeaLanguageLevel languageLevel) {
        this.languageLevel = languageLevel;
        return this;
    }

public interface IdeaJavaLanguageSettings {

    /**
     * Returns the Java language level.
     *
     * @return The language level, or {@code null} if this value should be inherited.
     */
    JavaVersion getLanguageLevel();

    /**
     * Returns the target bytecode level.
     *
     * @return The target bytecode language level, or {@code null} if this value should be inherited.

    @Inject
    public IdeaModuleInternal(Project project, IdeaModuleIml iml) {
        super(project, iml);
    }

    /**
     * Returns the user-defined value for the {@link #getLanguageLevel()} without triggering
     * the convention computation that is not compatible with Isolated Projects.
     */
    public @Nullable IdeaLanguageLevel getRawLanguageLevel() {
        return languageLevel;
    }

        return this;
    }

    public DefaultIdeaJavaLanguageSettings setJdk(DefaultInstalledJdk jdk) {
        this.jdk = jdk;
        return this;
    }

    public JavaVersion getLanguageLevel() {
        return languageLevel;
    }

    public JavaVersion getTargetBytecodeVersion() {
        return targetBytecodeVersion;
    }

    public DefaultInstalledJdk getJdk() {
        return jdk;

    @Inject
    public IdeaProjectInternal(Project project, XmlFileContentMerger ipr) {
        super(project, ipr);
    }

    /**
     * Returns the user-defined value for the {@link #getLanguageLevel()} without triggering
     * the convention computation that is not compatible with Isolated Projects.
     */
    @Nullable
    public IdeaLanguageLevel getRawLanguageLevel() {
        return languageLevel;
    }

     * should be preferred.
     *
     * @return The language level to use within the current project.
     * @since 1.0-milestone-5
     */
    IdeaLanguageLevel getLanguageLevel();

    /**
     * Returns the modules of this IDEA project. Most projects have at least one module.
     * Alias for {@link #getModules()}.
     *
     * @return The modules of this IDEA project.

    }

    public boolean isJdk15() {
        return jdk15;
    }

    public void setJdk15(boolean jdk15) {
        this.jdk15 = jdk15;
    }

    public String getLanguageLevel() {
        return languageLevel;
    }

    public void setLanguageLevel(String languageLevel) {
        this.languageLevel = languageLevel;
    }

    public String getProjectJdkName() {

    private final GPathResult ipr
    private final TestFile file

    IdeaProjectFixture(TestFile file, GPathResult ipr) {
        this.file = file
        this.ipr = ipr
    }

    String getLanguageLevel() {
        if (******@****.***() != 0) {
            return ipr.component.@languageLevel
        }
        return null
    }

    String getJdkName() {