import type { CommandCatalog, Domain, Stop } from './types.js';
export interface PersistencePort {
    load(key: string): Promise<string | null>;
    save(key: string, value: string): Promise<void>;
    remove(key: string): Promise<void>;
}
export interface PersistenceCodec<Value> {
    encode(value: Value): string;
    decode(value: string): unknown;
}
export interface PersistenceOptions<State, Persisted = State> {
    readonly key: string;
    readonly version: number;
    readonly debounceMs?: number;
    readonly codec?: PersistenceCodec<Persisted>;
    readonly migrate?: (stored: unknown, fromVersion: number, toVersion: number) => State | Promise<State>;
    readonly select?: (state: Readonly<State>) => Persisted;
    readonly merge?: (persisted: Persisted, current: Readonly<State>) => State;
    readonly validate?: (value: unknown) => value is Persisted;
    readonly skipHydration?: boolean;
    readonly onHydrate?: (current: Readonly<State>) => void;
    readonly onFinishHydration?: (state: Readonly<State> | undefined, error?: unknown) => void;
    readonly onFault?: (error: unknown) => void;
}
export interface PersistenceBinding<State, Persisted = State> {
    readonly ready: Promise<void>;
    flush(): Promise<void>;
    clear(): Promise<void>;
    rehydrate(): Promise<void>;
    hasHydrated(): boolean;
    setOptions(options: Partial<PersistenceOptions<State, Persisted>>): void;
    getOptions(): Readonly<PersistenceOptions<State, Persisted>>;
    onHydrate(listener: () => void): Stop;
    onFinishHydration(listener: (state: Readonly<State>) => void): Stop;
    stop(): void;
}
export declare function memoryPersistence(): PersistencePort;
export declare function browserPersistence(storage: Storage): PersistencePort;
export declare function bindPersistence<State, Commands extends CommandCatalog<State>, Persisted = State>(domain: Domain<State, Commands>, port: PersistencePort, initialOptions: PersistenceOptions<State, Persisted>): PersistenceBinding<State, Persisted>;
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