import { User } from '../models/po/user.entity';
import { Role } from '../models/po/role.entity';
import { Permission } from '../models/po/permission.entity';
import { Ability, InferSubjects } from '@casl/ability';
import { SessionCredential } from "../models/dto/sessioncredential.dto";
export declare enum Operation {
    Manage = "manage",
    Create = "create",
    Read = "read",
    Update = "update",
    Delete = "delete"
}
declare type RolePrivileges = typeof Role | typeof Permission | Role | Permission | 'all';
export declare type RolePrivilegeAbility = Ability<[Operation, RolePrivileges]>;
declare type UserPrivileges = InferSubjects<typeof User> | 'all';
export declare type UserPrivilegeAbility = Ability<[Operation, UserPrivileges]>;
export declare class CaslAbilityFactory {
    createRoleChecker(credential: SessionCredential): Ability<[Operation, RolePrivileges], import("@casl/ability").MongoQuery<Record<string | number | symbol, unknown>>>;
    createUserChecker(credential: SessionCredential): Ability<[Operation, UserPrivileges], import("@casl/ability").MongoQuery<Record<string | number | symbol, unknown>>>;
}
export {};