class PluginClasspath {

    private final Set<String> classesDirectories = new HashSet<>();
    private final Set<String> jarsDirectories = new HashSet<>();

    /**
     * Get the classes directories.
     *
     * @return a set of directories that contain classes files
     */
    public Set<String> getClassesDirectories() {
        return classesDirectories;
    }

    /**
     * Add classes directories.
     *
     * @param classesDirectories a set of directories that contain classes files
     * @return this object for chaining
     */
    public PluginClasspath addClassesDirectories(String... classesDirectories) {
        return addClassesDirectories(Arrays.asList(classesDirectories));
    }

    /**
     * Add classes directories.
     *
     * @param classesDirectories a collection of directories that contain classes files
     * @return this object for chaining
     */
    public PluginClasspath addClassesDirectories(Collection<String> classesDirectories) {
        this.classesDirectories.addAll(classesDirectories);

        return this;
    }

    /**
     * Get the jars directories.
     *
     * @return a set of directories that contain jars files
     */
    public Set<String> getJarsDirectories() {
        return jarsDirectories;
    }

    /**
     * Add jars directories.
     *
     * @param jarsDirectories a set of directories that contain jars files
     * @return this object for chaining
     */
    public PluginClasspath addJarsDirectories(String... jarsDirectories) {
        return addJarsDirectories(Arrays.asList(jarsDirectories));
    }

    /**
     * Add jars directories.
     *
     * @param jarsDirectories a collection of directories that contain jars files
     * @return this object for chaining
     */
    public PluginClasspath addJarsDirectories(Collection<String> jarsDirectories) {
        this.jarsDirectories.addAll(jarsDirectories);

        return this;
    }

    @Override
    public boolean equals(Object o) {<FILL_FUNCTION_BODY>}

    @Override
    public int hashCode() {
        return Objects.hash(classesDirectories, jarsDirectories);
    }

}

        if (this == o) return true;
        if (!(o instanceof PluginClasspath)) return false;
        PluginClasspath that = (PluginClasspath) o;
        return classesDirectories.equals(that.classesDirectories) &&
            jarsDirectories.equals(that.jarsDirectories);
    
<no_super_class>