import type { TFilterCriteria } from '@neon.id/query';
import type { NActionDef, NRoleDef } from '@neon.id/types';
import type { NAbility, NPermit } from '..';
import type { TGuardCheckOptions, TGuardDefinition, TGuardInstance } from './guard.types';
export declare class Guard implements TGuardInstance {
    id?: string;
    roles: NRoleDef[];
    actions?: NActionDef[];
    data?: TFilterCriteria<Record<string, any>>;
    private constructor();
    /**
     * Define a new guard.
     */
    static define(def: TGuardDefinition): Guard;
    /**
     * Check if guard allows public.
     */
    get isPublic(): boolean;
    /**
     * Check if guard allows any user.
     */
    get isUser(): boolean;
    /**
     * Check ability and data against guard conditions.
     */
    check(ability: NAbility.Instance, data?: Record<string, any>, opts?: TGuardCheckOptions): NPermit.Result;
    private checkRole;
    private checkAction;
    private checkData;
    private parseCriteria;
    private log;
}