private function find_top_level_menu() {
			global $menu;

			$position   = - 1;
			$found_menu = false;

			$menu_slug = $this->get_raw_slug();

			$hook_name = get_plugin_page_hookname( $menu_slug, '' );
			foreach ( $menu as $pos => $m ) {
				if ( $menu_slug === $m[2] ) {
					$position   = $pos;
					$found_menu = $m;
					break;
				}
			}

			if ( false === $found_menu ) {
				return false;
			}

			return array(
				'menu'      => $found_menu,
				'position'  => $position,
				'hook_name' => $hook_name
			);
		}