public static PluginClassLoader forSelfContainedPlugin(
            final ClassLoader parentClassLoader,
            final String selfContainedPluginName) {
        return new PluginClassLoader(
                parentClassLoader,
                new ArrayList<>(),
                selfContainedPluginName);
    }
Creates PluginClassLoader for plugins with dependency JARs.

@param parentClassLoader  the parent ClassLoader of this PluginClassLoader instance
@param jarUrls  collection of "file:" URLs of all JARs related to the plugin
@return {@code PluginClassLoader} instance created
embulk-core/src/main/java/org/embulk/plugin/PluginClassLoader.java