import type { PayloadViewerStoreStateStorageV1, PayloadViewerStoreStateV1 } from './types.js';
/** Runtime type guard for persisted {@link PayloadViewerStoreStateV1} values. */
export declare const isPayloadViewerStoreStateV1: (value: unknown) => value is PayloadViewerStoreStateV1;
/** In-memory storage backend for {@link PayloadViewerStoreStateV1}. */
export declare class MemoryPayloadViewerStateStorageV1 implements PayloadViewerStoreStateStorageV1 {
    private state?;
    load(): Promise<PayloadViewerStoreStateV1 | undefined>;
    save(state: PayloadViewerStoreStateV1): Promise<void>;
}
/** `localStorage` backend for persisting {@link PayloadViewerStoreStateV1}. */
export declare class LocalStoragePayloadViewerStateStorageV1 implements PayloadViewerStoreStateStorageV1 {
    private readonly key;
    private readonly storage;
    constructor(storage?: Storage, key?: string);
    load(): Promise<PayloadViewerStoreStateV1 | undefined>;
    save(state: PayloadViewerStoreStateV1): Promise<void>;
}
//# sourceMappingURL=storage.d.ts.map