Interface StorageSvc

interface StorageSvc {
    getItem(key: string, operatorItem: boolean): Promise<Result<string>>;
    getSubNamedItem(
        key: string,
        subName: string,
        operatorItem: boolean,
    ): Promise<Result<string>>;
    removeItem(key: string, operatorItem: boolean): Promise<Result<void>>;
    removeSubNamedItem(
        key: string,
        subName: string,
        operatorItem: boolean,
    ): Promise<Result<void>>;
    setItem(
        key: string,
        value: string,
        operatorItem: boolean,
    ): Promise<Result<void>>;
    setSubNamedItem(
        key: string,
        subName: string,
        value: string,
        operatorItem: boolean,
    ): Promise<Result<void>>;
}