includes/managers/class-fs-admin-menu-manager.php
function main_menu_url() {
			$this->_logger->entrance();

			if ( $this->_is_top_level ) {
				$menu = $this->find_top_level_menu();
			} else {
				$menu = $this->find_main_submenu();
			}

			$parent_slug = isset( $menu['parent_slug'] ) ?
                $menu['parent_slug'] :
                'admin.php';

			return admin_url( $parent_slug . '?page=' . $menu['menu'][2] );
		}
function main_menu_url() {
			$this->_logger->entrance();

			if ( $this->_is_top_level ) {
				$menu = $this->find_top_level_menu();
			} else {
				$menu = $this->find_main_submenu();
			}

			$parent_slug = isset( $menu['parent_slug'] ) ?
                $menu['parent_slug'] :
                'admin.php';

			return admin_url( $parent_slug . '?page=' . $menu['menu'][2] );
		}
function main_menu_url ( ) { $ this -> _logger -> entrance ( ) ; if ( $ this -> _is_top_level ) { $ menu = $ this -> find_top_level_menu ( ) ; } else { $ menu = $ this -> find_main_submenu ( ) ; } $ parent_slug = isset ( $ menu [ 'parent_slug' ] ) ? $ menu [ 'parent_slug' ] : 'admin.php' ; return admin_url ( $ parent_slug . '?page=' . $ menu [ 'menu' ] [ 2 ] ) ; }
Get module's main admin setting page URL.

@todo This method was only tested for wp.org compliant themes with a submenu item. Need to test for plugins with top level, submenu, and CPT top level, menu items.

@author Vova Feldman (@svovaf)
@since  1.2.2.7

@return string
Get module s main admin setting page URL .