WordPress at a glance
function is not described

Automattic\WooCommerce\Admin\Features\Navigation

Menu::instance() public WC 1.0

Get class instance.

{} It's a method of the class: Menu{}

No Hooks.

Return

null. Nothing.

Usage

$result = Menu::instance();

Code of Menu::instance() WC 5.2.2

<?php
final public static function instance() {
	if ( ! static::$instance ) {
		static::$instance = new static();
	}
	return static::$instance;
}