import type { StorageAdapter } from '../types';
export declare class CapacitorStorageAdapter implements StorageAdapter {
    private preferences;
    private prefix;
    constructor(prefix?: string);
    private loadPreferences;
    get(key: string): Promise<string | null>;
    set(key: string, value: string): Promise<void>;
    remove(key: string): Promise<void>;
    clear(): Promise<void>;
}