/**
 * AuthPrinciple class
 */
export declare abstract class AuthPrinciple {
    /**
     * userId of User
     * userId can be email or GUID
     */
    userId: string;
    /**
     * Roles of User
     */
    roles: string[];
    private _isAuthenticated;
    constructor(userId: string, roles: string[]);
    /**
     * abstract method to implement. Check for authorization of user
     * based on roles
     * @param roles Roles of User
     */
    abstract isAuthorized(roles: string[]): boolean;
    readonly isAuthenticated: boolean;
}