import { TranslationContent } from '../../types';
export declare class LocalStorageWrapper {
    private prefix;
    private readonly COMPRESSION_THRESHOLD;
    private readonly COMPRESSION_MARKER;
    private cache;
    constructor(prefix?: string);
    getPageKey(targetLang: string): string;
    private shouldCompress;
    private compress;
    private decompress;
    getItem(key: string): TranslationContent | null;
    setItem(key: string, value: TranslationContent): void;
    getNodeTranslation(originalText: string, targetLang: string): string | null;
    setNodeTranslation(originalText: string, targetLang: string, translatedText: string): void;
    setBatchNodeTranslationsArray(targetLang: string, batch: Array<{
        originalText: string;
        translatedText: string;
    }>): void;
    removeItem(key: string): void;
    clear(lang_code?: string[]): void;
    key(index: number): string | null;
    get length(): number;
}