import { CheckoutState } from '../../types/checkout/CheckoutState.type';
type StateListener = (state: CheckoutState) => void;
export declare class CheckoutStateManager {
    private state;
    private listeners;
    constructor(initialState: CheckoutState);
    getState(): CheckoutState;
    updateState(partialState: Partial<CheckoutState>): void;
    subscribe(listener: StateListener): () => void;
    private notifyListeners;
}
export {};
//# sourceMappingURL=CheckoutState.service.d.ts.map