import Dexie from 'dexie';
import { Portfolio2, PortfolioId } from '../../../api-public/models/portfolio';
export declare class DexiePortfoliosHelper {
    static getPortfolios(): Promise<Portfolio2[]>;
    static getPortfolio(db: Dexie | null, portfolioId: PortfolioId): Promise<Portfolio2>;
    static savePortfolio(db: Dexie | null, portfolio: Portfolio2): Promise<Portfolio2>;
    static deletePortfolio(portfolioId: PortfolioId): Promise<PortfolioId>;
}