return this;
    }

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

    public JavaVersion getSourceLanguageLevel() {
        return sourceLanguageLevel;
    }

    public JavaVersion getTargetBytecodeVersion() {
        return targetBytecodeVersion;
    }

    public DefaultInstalledJdk getJdk() {

 */
public interface EclipseJavaSourceSettings {
    /**
     * Returns the Java source language level.
     *
     * @return The source language level. Never returns {@code null}.
     */
    JavaVersion getSourceLanguageLevel();

    /**
     * Returns the target bytecode level.
     *
     * @return The target bytecode language version. Never returns {@code null}.