import { IKeyValueStorage, KeyValueStorageOptions } from '../shared';
export declare class KeyValueStorage implements IKeyValueStorage {
    private readonly database;
    private readonly statements;
    constructor(opts?: KeyValueStorageOptions);
    getKeys(): Promise<string[]>;
    getEntries<T = any>(): Promise<[string, T][]>;
    getItem<T = any>(key: string): Promise<T | undefined>;
    setItem<T = any>(key: string, value: any): Promise<void>;
    removeItem(key: string): Promise<void>;
}
export default KeyValueStorage;
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