import { InjectionToken, Injector } from '@angular/core';
import { Observable } from 'rxjs';
import { Route } from '@angular/router';
import * as i0 from "@angular/core";
export declare enum PermissionMode {
    READ = 1,
    WRITE = 2
}
export interface Permission<T = string> {
    id: T;
    level: PermissionMode;
}
export declare class PermissionState<T = string> {
    permissions$: Observable<Permission<T>[]>;
}
export declare class PermissionManager<T = string> {
    private state;
    constructor(state: PermissionState<T>);
    canRead(type: T): Observable<boolean>;
    canWrite(type: T): Observable<boolean>;
    canReadSome(types: T[]): Observable<boolean>;
    private getPermissionLevelForType;
    private getPermissions;
    static ɵfac: i0.ɵɵFactoryDeclaration<PermissionManager<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PermissionManager<any>>;
}
export type PermissionCheckerFactory = (type: string) => PermissionChecker;
export declare const PERMISSION_CHECKER_TOKEN: InjectionToken<PermissionCheckerFactory>;
export declare class PermissionChecker {
    private manager;
    private type;
    constructor(manager: PermissionManager, type: string);
    canRead(): Observable<boolean>;
    canWrite(): Observable<boolean>;
}
export declare abstract class BasePermissionGuard<T> {
    private manager;
    constructor(manager: PermissionManager<T>);
    abstract getPermissions(): Permission<T>[] | Observable<Permission<T>[]>;
    canActivate(): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<BasePermissionGuard<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<BasePermissionGuard<any>>;
}
export declare function canReadPermissions<T>(manager: PermissionManager<T>, permissions: Permission<T>[]): Observable<boolean>;
export declare function canRouteBeActivated(route: Route, injector: Injector): Observable<boolean>;