export declare class ACL {
    private rules;
    /**
     * This will get a string of abilities as a JSON encoded object. You can safely store this and use it later
     * in "importAbilities" to reconstitute an ACL with abilities.
     *
     * @returns {string}
     */
    exportAbilities(): string;
    /**
     * Use this to reconstitute a users abilities from a string that was exported from "exportAbilities".
     *
     * @param {string} abilities
     */
    importAbilities(abilities: string): void;
    /**
     * Use this to verify that a use has an ability.
     *
     * @param {string} action
     * @param {string} subject
     * @param filter
     * @returns {boolean}
     */
    can(action: string, subject: string, filter: any): boolean;
    /**
     * Use this to get an array of security roles available to the connected user.
     *
     * @returns {string[]}
     */
    getManagableRoles(): any[];
    /**
     * Use this if you want to throw an error upon failure of a ACL ability check. You can optionally provide a custom
     * message. In any case, an Error is thrown.
     *
     * @param {string} action
     * @param {string} subject
     * @param filter
     * @param {string} message
     */
    throwUnless(action: string, subject: string, filter: any, message?: string): void;
}