/**
 * `localStorage` passkey storage adapter.
 *
 * Persists passkey records across page reloads in the browser. `localStorage`
 * has a ~5MB limit and stores data unencrypted; for larger or more structured
 * needs prefer {@link import("./indexeddb.js").IndexedDBStorage}.
 */
import type { StorageAdapter, StoredPasskey } from "../types.js";
export declare class LocalStorageAdapter implements StorageAdapter {
    private storageKey;
    constructor(storageKey?: string);
    private read;
    private write;
    save(passkey: StoredPasskey): Promise<void>;
    get(keyId: string): Promise<StoredPasskey | null>;
    getByContract(contractId: string): Promise<StoredPasskey[]>;
    getAll(): Promise<StoredPasskey[]>;
    delete(keyId: string): Promise<void>;
    update(keyId: string, updates: Partial<Omit<StoredPasskey, "keyId" | "publicKey">>): Promise<void>;
    clear(): Promise<void>;
}
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