/**
 * Browser-compatible secure storage using localStorage or IndexedDB
 */
export declare class EncryptedStorageService {
    private storageKey;
    saveEncryptedData(identifier: string, data: any, password: string): Promise<void>;
    loadEncryptedData(identifier: string, password: string): Promise<any | null>;
    deleteData(identifier: string): void;
    private getAllStoredData;
    clearAll(): void;
}
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