import { IInjector } from "../api/IInjector";
/**
 * <p>A guard can be a function, object or class.</p>
 *
 * <p>When a function is provided it is expected to return a boolean when called.</p>
 *
 * <p>When an object is provided it is expected to expose an "approve" method
 * that returns a boolean.</p>
 *
 * <p>When a class is provided, an instance of that class will be instantiated and tested.
 * If an injector is provided the instance will be created using that injector,
 * otherwise the instance will be created manually.</p>
 *
 * @param guards An array of guards
 * @param injector An optional Injector
 *
 * @return A boolean value of false if any guard returns false
 */
export declare function guardsApprove(guards: any[], injector?: IInjector): boolean;