import type { _NSToolbarItem } from "./NSToolbarItem.js";
export interface _NSToolbarItemValidation {
    /**
     * `NSToolbarItemValidation` extends the standard validation idea by introducing this new method which is sent to validators for each visible standard `NSToolbarItem` with a valid target/action pair. Note: This message is sent from NSToolbarItem's validate method, however validate will not send this message for items that have custom views.
     */
    validateToolbarItem$?(item: _NSToolbarItem): boolean;
}
