import type { SDKState, User } from '../types/index.js';
export interface StateStore {
    get(): SDKState;
    set(patch: Partial<SDKState>): void;
    subscribe(fn: (state: SDKState) => void): () => void;
    reset(): void;
    setUser(user: User | null): void;
}
export declare function createInitialState(): SDKState;
export declare function createState(): StateStore;