import { ExposedSubscriptionHistory } from './types/subscription';
import { UserStates } from './types/states';
import { User } from './models/user';
export declare const PossibleUserStates: ({
    state: UserStates;
    description: string;
    technicalDescription: string;
    requirement: ({ subscriptionHistory }: StateManager) => any;
} | {
    state: UserStates;
    description: string;
    requirement: ({ futureCancellation, undoCancellation }: StateManager) => boolean;
    technicalDescription?: undefined;
})[];
export declare class StateManager {
    userData: User;
    subscriptionHistory: any;
    futureCancellation: any;
    futureTransition: any;
    undoTransition: any;
    undoCancellation: any;
    constructor(userData: any);
    setSubscriptionHistory(subscriptionHistory: ExposedSubscriptionHistory): void;
    identify(): string;
}