import { IStorage, MMKVConfig } from './types';
declare class MMKVStorage implements IStorage {
    private storage;
    constructor(configOrId?: MMKVConfig | string);
    set(key: string, value: any): void;
    get(key: string): any;
    getBoolean(key: string): boolean | null;
    getNumber(key: string): number | null;
    getString(key: string): string | null;
    delete(key: string): void;
    clear(): void;
    getAllKeys(): string[];
    contains(key: string): boolean;
    private safeSerialize;
}
export default MMKVStorage;
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