import { PrimitiveTypes } from 'homebridge';
type Storable = PrimitiveTypes | PrimitiveTypes[] | {
    [key: string]: PrimitiveTypes;
};
export declare class Storage {
    static init(persistPath: string): Promise<void>;
    static copy(): [string, [string, Storable][]][];
    static get(identifier: string, key: string): Storable | undefined;
    static set(identifier: string, key: string, item: Storable | undefined): Promise<void>;
    private static _set;
}
export {};